Background

The Region of Waterloo in southern Ontario treats its wastewater at a number of plants including the three largest: Waterloo, Kitchener and Galt.  These three plants produce 13,000 to 22,200 cubic metres of methane-rich biogas per day (equivalent to the carbon footprint of 2,700 people) as a byproduct of processing. They use some of this biogas to produce heat for their own use, while flaring off excess biogas and purchasing electricity from the grid for their energy needs. 

As the Region’s population grows, the amount of wastewater is expected to increase, leading to higher electricity consumption and emissions created from flaring biogas—both of which are contrary to the Region’s mandate to improve air quality, reduce greenhouse gas emissions and produce and use renewable energy. Electricity costs in Ontario are also expected to rise, increasing municipal costs. The Region saw these projections as an opportunity to upgrade facility infrastructure to better align with climate change–related goals and help in the transition toward net zero. 

Project goals

The Region planned to lower electricity costs and eliminate biogas flaring by installing dual-fuel (biogas and natural gas) cogeneration facilities at all three wastewater treatment plants. These facilities would utilize 100 percent of their biogas and reduce emissions.

Approach

The planning phases for the project involved projecting population growth (and the corresponding increase in wastewater quantities) and determining how that would affect the plants’ capacities and electricity and heat requirements. Modelling suggested that while the cogeneration facilities would initially use natural gas as a supplement, the proportion of natural gas needed would decrease as additional wastewater and therefore biogas became available.

One key idea was to coordinate facility capacity with population growth over the equipment’s estimated 20-year lifespan to maximize biogas usage and reduce emissions, rather than matching their capacity to current biogas availability.

After consulting with community members and other stakeholders, the Region designed and constructed the project. They completed and brought the cogeneration facilities online in 2022.

Results

Upon project completion, the Region began monitoring and optimizing performance. They diverted all biogas into the new system, eliminating that source of emissions while also creating electricity and heat, providing an annual savings of $1.5 million and approximately 1,900 tons of carbon dioxide equivalent (tCO2e). Over the 20-year lifespan of the facilities, the Region forecasts overall net savings of more than $16 million and 38,000 tCO2e.

The project won a 2022 Award of Excellence at the Canadian Consulting Engineering Awards.

Lessons learned

This project was highly complex both technically and contractually. The Region found it helpful to have a single contractor responsible for all three facility installations to find efficiencies and learnings throughout the development process. For instance, they redirected workers from site to site as needed to minimize downtime.

Working with multiple facilities also meant working with multiple electricity distribution companies. Fully understanding the differences between various local connection requirements and approval processes from the outset would have helped avoid delays.

Better understanding how the gas conditioning and cogeneration systems interface with each other would made it easier for operations staff to troubleshoot issues and seek technical support.  Entering a long-term service agreement with the gas conditioning supplier, like the one with the cogeneration supplier, may also have been beneficial.

A certain amount of technical troubleshooting related to with thermal efficiencies was required at system launch, which could have been avoided with a clearer understanding in advance of how the hot water loop systems were set up.

Next steps

The facilities are now in operation and ready to utilize current biogas levels as well as increased levels in the future as the population grows. As the amount of available biogas increases, the need for natural gas required will decrease—until eventually, there might be minimal to no need for it at all.
 

Outdoor view of three tall metal tanks mounted to concrete, with ladders for access.

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Available funding

We support projects at various stages of development through grants and loans. Funding amounts are based on total eligible costs. Further details on eligible costs are provided on individual funding pages.

Business case: Organic Waste-to-Energy

Funding to assess viable waste-to-energy systems and business models

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Study: Organic Waste-to-Energy

Funding to outline the design of new organic waste-to-energy plants and systems

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Capital project: Organic Waste-to-Energy

Funding to construct, commission and begin operation of an organic waste-to-energy system

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Innovation in construction: ENBIX's role in advancing emissions-neutral buildings

Launched in December 2023, the Emissions-Neutral Buildings Information Exchange (ENBIX) brings together partners to reduce greenhouse gas emissions in the construction, renovation and operation of buildings. Hosted by the Alberta Ecotrust Foundation and their local LC3 Centre the Climate Innovation Fund, this initiative is accelerating the transition to an emissions-neutral built environment for new and existing buildings across Alberta.  

The new initiative promotes sharing of innovative ideas, solutions, best practices and lessons among interested parties in the building and construction ecosystem, providing information on industry training opportunities, bringing together peer groups and zeroing in key topics like embodied carbon. It is industry-governed, with foundational support from the City of Calgary, the Calgary Construction Association, the City of Edmonton and its Emissions-Neutral Building Industry Advisory Group, and the Smart Sustainable Resilient Infrastructure Association.   

ENBIX is based on similar models including British Columbia’s Zero Emissions Building Exchange (ZEBx) hosted by ZEIC, the Metro Vancouver region’s LC3 Centre. During the development of ENBIX, ZEBx provided lessons learned from their early years of operations including information about the relationship between ZEBx and industry partners in BC.  

Meanwhile, the Halifax LC3 Centre, the Halifax Climate Investment, Innovation and Impact Fund (HCi3) has provided $80,000 in funding for another multi-party building exchange program that is preparing Nova Scotia’s building sector for a net-zero future. The Building to Zero Exchange (BTZx) is now live, growing capacity to scale up the creation of high-performance buildings.  

With three advanced energy performance building exchanges now launched, we have critical building industry experience being actively facilitated locally and across the LC3 Network  

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825 tonnes of carbon dioxide equivalent of annual greenhouse gas reductions

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28,148 gigajoules per year of energy savings

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50 to 100 new full-time jobs

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$100,000 in capacity-building funding to train and certify local energy advisors and auditors

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Improved home comfort and flood resilience

CEF’s capacity for innovation is reflected in the design of the City of Peterborough’s Home Energy Efficiency Program (HEEP), which launched in February 2024 with $5.75 million in CEF funding. HEEP is testing a first-of-its-kind blend of PACE financing with private capital, enabling building owners to select the funding model that best meets their needs. The City intends to leverage more than $5 million in private capital to support both streams of funding. The program is built on an integrated service model that includes a comprehensive, one-stop web portal and energy coaching service to guide owners through their retrofit journey.   

When it updated its greenhouse gas emission reduction targets in 2019, Peterborough determined that homes accounted for 39 percent of the total, making energy retrofits an integral part of the local effort to achieve net-zero emissions by 2050. HEEP focuses on low-rise residential buildings, both owner-occupied and rental, with loans of up to $125,000 or 10 percent of building value and an incentive structure that rewards higher emission reductions. The program design supports households with low-incomes through an equity lens by limiting enrolment to landlords who sign a no-renoviction commitment. 

The private funding stream offers financing as low as $1,000, while the PACE support starts at $15,000. Loans are repaid over a 20-year period, with no penalty for early repayment under the PACE stream, and participants can apply for a second project as long as their total funding doesn’t exceed the program maximum.  

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reduce-emissions

41% reduction in the building’s GHG emissions, for annual saving of 19 tonnes of carbon dioxide equivalent per year

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42% reduction in energy consumption, for a total of 320 gigajoules per year

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Lower operating costs and user fees for a more efficient facility, combined with higher revenue due to an increase in arena visits through the year

An arena retrofit project in Ituna, SK, population 700, will benefit local residents as well as the neighbouring communities of Kelliher, Melville, Little Black Bear First Nation, Muskowkewan First Nation, and the rural municipalities of Bon Accord and Kellross, a total area population of 8,200.

The Ituna Community Arena was built in 1961 and was at risk of being declared unsafe to use without the retrofit it desperately needs. The decades have taken their toll on the arch-rib style facility, and in recent years heavy snowfalls, high winds and hailstorms have brought the walls and roof to an almost unusable state. The updated building will be a modern, functional and energy-efficient recreational space that everyone in and around the community can enjoy year-round for many years to come.

Once completed, the retrofit will serve surrounding rural communities and local First Nations. The project demonstrates new knowledge, practices and technologies that have never been used in any of the town’s buildings, including:  

  • An insulated steel structure to be constructed over the existing ice surface boards, lobby and dressing rooms.       
  • An LED lighting system.      
  • Installation of condensing hot water heaters, in-floor heating, a walking track and wheelchair-accessible washrooms.

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Enabling residential retrofits to achieve net-zero goals: Peterborough, ON launches Home Energy Efficiency Program

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825 tonnes of carbon dioxide equivalent of annual greenhouse gas reductions

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28,148 gigajoules per year of energy savings

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50 to 100 new full-time jobs

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$100,000 in capacity-building funding to train and certify local energy advisors and auditors

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Improved home comfort and flood resilience

CEF’s capacity for innovation is reflected in the design of the City of Peterborough’s Home Energy Efficiency Program (HEEP), which launched in February 2024 with $8.625 million in CEF funding. HEEP is testing a first-of-its-kind blend of PACE financing with private capital, enabling building owners to select the funding model that best meets their needs. The City intends to leverage more than $5 million in private capital to support both streams of funding. The program is built on an integrated service model that includes a comprehensive, one-stop web portal and energy coaching service to guide owners through their retrofit journey.   

When it updated its greenhouse gas emission reduction targets in 2019, Peterborough determined that homes accounted for 39 percent of the total, making energy retrofits an integral part of the local effort to achieve net-zero emissions by 2050. HEEP focuses on low-rise residential buildings, both owner-occupied and rental, with loans of up to $125,000 or 10 percent of building value and an incentive structure that rewards higher emission reductions. The program design supports households with low-incomes through an equity lens by limiting enrolment to landlords who sign a no-renoviction commitment. 

The private funding stream offers financing as low as $1,000, while the PACE support starts at $15,000. Loans are repaid over a 20-year period, with no penalty for early repayment under the PACE stream, and participants can apply for a second project as long as their total funding doesn’t exceed the program maximum.  

Want to explore all GMF-funded projects? Check out the Projects Database for a complete overview of funded projects and get inspired by municipalities of all sizes, across Canada.

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Innovating for maximum impact: New affordable housing complex adds 83 net-zero units using shipping container model in Fort Saskatchewan, AB

A modular affordable housing agency in Alberta is receiving a boost from SAH funding to build 83 new net-zero homes in the Sherridon neighbourhood of Fort Saskatchewan.

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83 new net-zero homes

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100% affordable housing units, 80% below median market rate

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100% reduction in natural gas consumption

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13% reduction in net electricity use

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83% reduction in net energy use

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59% projected reduction in greenhouse gas emissions, for a total of 230 tonnes per year

With a mandate to operate affordable housing in the municipalities of Fort Saskatchewan and Strathcona near Edmonton, Heartland Housing Foundation (HHF) already manages two affordable housing complexes, four seniors’ lodges, and five rent-geared-to-income self-contained seniors’ apartment buildings. The new structure in Sherridon will feature photovoltaic solar arrays on the roof and parkade, a high-performance building envelope, high-performance windows, efficient lighting, a heat pump and heat recovery systems. All the units meet SAH’s affordability target, 80 percent of them fall below the median market rate for Edmonton rentals, and 24 percent are more deeply affordable, targeting participants in Alberta’s Assured Income for the Severely Handicapped (AISH) program.   

The project is HHF’s first foray into net-zero construction. The modular building design combines shipping container construction on the building’s ground floor with standard wood construction on the upper floors. It also incorporates cost-saving measures to maximize affordability, such as basic finishes, no common amenity rooms, and reduced electrical costs due to the net-zero design. The design is so innovative that it was selected as a co-investment opportunity by Canada Mortgage and Housing Corporation. 

On top of the social support of providing affordable housing, HHF is working with other local organizations—including the Robin Hood Association, the provincial Family and Community Supports program, and the Families First Society—to deliver a wider mix of social benefits. For example, the Robin Hood Association, with a mission to help individuals with disabilities experience quality lifestyles, has committed to filling a portion of the project’s units and providing ongoing support to those residents.  

Beyond the specific building, the modular concept for Sherridon has a very good chance of being applied to other projects, neighbourhoods, and communities. Modular construction is meant to scale quickly, making it easy to build and assemble new units once a design is tested and proven. HHF will share the comprehensive development model behind the project with other non-profits and is also committed to the local knowledge-sharing and talent development that will build local capacity for future net-zero projects. 

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Pan-Canadian partnership expands circular economy knowledge: the Circular Cities and Region initiative (CCRI)

Cities and regions are key to advancing circularity and addressing climate change. While 80% of Canadians live in urban regions, our communities are often separated by vast distances—making regional circular development strategies increasingly important.

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7 national webinars

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22 peer-to-peer networking sessions and workshops

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38 community action planning workshops

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25 community roadmaps and strategic opportunity reports

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130+ hours of engagement involving 600+ local government representatives across the country

The Circular Cities and Regions Initiative (CCRI) has rapidly emerged as an important initiative to support Canada’s net-zero transition, demonstrating remarkable success in its third year. CCRI has supported over 25 communities nationwide on their journey towards circularity. This year, CCRI’s efforts culminated in its recognition as a Clean50 Top Project, reflecting its significant impact and reach. In Quebec, CCRI has played a supportive role in advancing local circular economy initiatives through a series of workshops and coaching sessions conducted in both French and English. These engagements have helped local governments integrate circular practices into their operations, contributing to their climate resilience and emission reduction targets. The Peer-to-Peer Network facilitated over 130 hours of interaction among more than 600 local government representatives, fostering a vibrant exchange of ideas and best practices across Canada.   

CCRI's role as a catalyst for municipal circular economy projects is vital for creating meaningful local impact. By filling the capacity gap with tailored workshops, coaching, and networking opportunities, CCRI has enabled communities to implement circular economy strategies effectively. This support not only helps municipalities reduce waste and promote sustainability but also strengthens their ability to tackle the climate emergency collaboratively. As more communities join the CCRI network, the potential for broader, more robust circular economy initiatives continues to grow, driving substantial environmental and economic benefits nationwide.  

Want to explore all GMF-funded projects? Check out the Projects Database for a complete overview of funded projects and get inspired by municipalities of all sizes, across Canada.

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82% input energy reduction for space heating and cooling

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97% greenhouse gas reduction for space heating and cooling

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1,300 tonnes of carbon dioxide equivalent per year combined total GHG reduction

 

Supported by an $8.77 million investment from GMF and the Government of Canada, the City of Markham is researching, designing and building a pilot neighbourhood of 311 homes that will all be linked to a geoexchange-based community energy system (CES). The two partners in this groundbreaking project, Enwave Energy Corporation and Mattamy Homes, worked pro-actively to convene the public and private sectors to help bring the residential housing sector closer to net-zero emissions.  

The community-scale distributed geothermal energy system in Markham will deliver carbon-free energy for heating, cooling and domestic hot water. The first system of its kind in Canada, it harnesses the natural heat from below the surface of the earth to warm the houses in the winter and cool them in the summer, using a single ambient pipe with geoexchange boreholes buried beneath the road and connected to each home, similar to an electrical grid. The innovative design is more energy efficient and generates fewer GHG emissions than a traditional geothermal system and delivers more reliable space heating, cooling and hot water, while minimizing land requirements by using the existing public right-of-way  

Geoexchange energy systems are a promising alternative to natural gas or other fossil fuels for heating and cooling. That makes them an important local climate solution, since half of all carbon emissions in Markham come from the gas and electricity used in buildings. Homes connected to a community energy system can be much more affordable to heat and cool than stand-alone systems, and potential homeowners in this neighbourhood can expect up to 60 percent energy savings compared to less efficient homes with natural gas furnaces.   

For the fast-growing City of Markham, this community energy system is a major step toward the ambitious goal of becoming a net-zero water, waste and emissions community by 2050. The best practices and lessons learned from this project showcase the scalability and economic feasibility of geothermal technology for residential developments. These insights confirm geothermal systems as a realistic and beneficial option for new housing projects nationwide, highlighting the success of public-private partnerships and significant energy savings. 

Want to explore all GMF-funded projects? Check out the Projects Database for a complete overview of funded projects and get inspired by municipalities of all sizes, across Canada.

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This factsheet explains why developing an urban forest plan to manage and protect tree canopies is important for their long-term success. It provides guidance on creating, establishing and maintaining an urban forest plan tailored to your community’s needs and priorities.  

This factsheet was created to support small and rural communities who are just developing their urban forestry approaches and content might be helpful for municipal staff working in various departments such as public works, recreation or public health services. 

Why does urban forest planning matter? 

Urban forestry is the sustained planning, planting, protection, maintenance and care of trees, forests, greenspace, and related resources in and around communities to create economic, environmental, social and public health benefits. Urban forestry practices are relevant for communities of any size. The practices are similar for rural, small, medium and large communities—anywhere people live and interact with trees or forested areas, including where people manage social, economic and environmental policies and programs.  

Trees take decades to mature and can live for centuries. Over their lifetimes, trees will encounter challenges and changing environments. Decisions made today about planting, protection and management will have lasting effects for generations. An urban forest plan can anticipate challenges and guide local governments towards achieving a more resilient urban forest that benefits the entire community. A well-crafted urban forest plan establishes a long-term vision supported by clear goals, measurable targets, timelines, responsibilities and resource needs for implementation. 

The journey to a healthy and resilient urban forest starts with a plan. 

Key components of an urban forest plan 

Urban forest plans set goals for management and guide professionals on how to plant, protect and maintain the urban forest proactively, ensuring it delivers maximum benefits to the community and wildlife. A well-crafted urban forest plan should include: 

  • collective vision for the urban forest
  • an assessment of the current state of the urban forest
  • strategic framework consisting of goals, objectives and targets to help fulfill the vision
  • an implementation plan that outlines detailed actions and steps with specific timelines (months or dates) and assigned responsibilities
  • monitoring plan with a system to track progress and revise the plan if needed 

 

Setting the context for your urban forest plan

Understanding the context of your community’s urban forest is essential for developing a plan that aligns with its unique characteristics and needs. The planning process should consider your community’s demographics and development patterns, the resources it has in place to manage the urban forest, the current urban forest management program (if one exists), and emerging opportunities and challenges.  

Consider which staff and departments (such as planning or public works) might be involved in managing the urban forest and invite them to participate in the planning process. It is also important to identify and engage interested stakeholders, including equity-deserving groups and rights holders, to ensure that planning efforts are inclusive and responsive to community needs. 

Here are some guiding questions you can ask to better understand the context of your community’s urban forest: 

  • What is your community like? For example, is it vulnerable to extreme weather events such as floods and heat waves? Do you foresee any changes that will impact the planning or management of the urban forest?
  • How is your urban forest managed currently? Do you have an inventory of the trees in your community?
  • What are the opportunities and challenges related to urban forest management in the next 10, 20 and 50 years?
  • How is the urban forest recognized among community members and other stakeholders or rights holders? What about your Council and senior management?
  • Are all the relevant and interested parties engaged, including equity-deserving groups who most need to benefit from the urban forest?
  • What do the various parties hope to address through the urban forest planning process?
  • Do you have the appropriate data to help you understand the current state of your community’s urban forest and possible future changes?
  • Do you have adequate levels of staffing and funding to support the planning and implementation of urban forestry programs?
  • Does your community have people with the right expertise needed in urban forest planning and management? 
Three community members discuss their neighborhood’s urban forestry plan.

 

 

Getting started on an urban forest plan

Below are some guiding steps that can help your community get started on creating an urban forest plan. Depending on the work your community has done to date, you may choose to skip or rearrange some of these steps.  

1. What do you already have? 

Understand the current landscape for urban forest management: 

  • “Plan to plan” by organizing resources and seeking senior management and Council support for the development of an urban forest plan.
  • Create or update your community’s tree inventory to ensure you have an accurate picture of the current state and health of your urban forest.
  • Review relevant policies and practices to understand the current policy framework and practices around urban forest management.
  • Identify opportunities and gaps in current policies and practices. 
2. What do you want? 

Establish a long-term vision, goals and targets in collaboration with the community: 

  • Identify and engage stakeholders or rights holders; learn about their values, concerns and ideas for trees in the community.
  • Develop a long-term vision and supporting goals based on what you learned in previous steps.
  • Develop measurable targets (such as tree canopy or crown volume targets). 
3. How do you get there? 

Outline your plan’s strategies and detailed actions based on the vision, goals and targets established in previous steps: 

  • Develop a list of actions that would help achieve your vision, goals and targets.
  • Invite community stakeholders and/or rights holders to review, assess and prioritize the actions based on their values and concerns.
  • Allocate resources, assign responsibilities and specify timelines for each action to develop a comprehensive implementation framework. 
4. How do you stay on track? 

Develop a monitoring plan to track and evaluate progress and to support adaptive management: 

  • Identify what you need to monitor and evaluate to ensure progress is being made on implementation and outcomes.
  • Develop a monitoring system to track implementation progress, evaluate actions against goals and targets, and share results publicly on a regular basis.
  • If satisfactory progress has not been made, investigate the causes and adjust the plan as necessary. 

 

You have a plan, now what? 

If your community has developed an urban forest plan, there are several steps you can take to further support the plan’s implementation: 

  • Develop a planting master plan to guide planting along streets, in parks and other community properties, aligning with the vision, goals and targets set forth in your urban forest plan.
  • Develop or update regulatory tools related to urban forest protection and management (see Metro Vancouver’s Tree Regulations Toolkit for examples), including:  
    • tools that regulate how trees are dealt with (e.g., tree bylaws, environmental development permit areas and covenants)
    • tools that regulate land use and tree retention, including zoning bylaws and subdivision bylaws
  • Develop or update an urban forest asset management plan to integrate the urban forest into conventional asset management (see the City of Vaughan’s Asset Management Plan for Urban Forestry for examples).

 

Opportunities to involve the community  

Community involvement in urban forest planning is vital for raising awareness, gaining support and fostering collaboration. Community input plays a vital role in shaping key directions and priorities in the planning process, ensuring that urban forest plans and strategies reflect the community’s diverse needs and values. 

Prioritizing Reconciliation and engaging with Indigenous Peoples on urban forest planning and management is equally important to recognize and respect Indigenous rights. To achieve this, communities can: 

  • Identify Indigenous Peoples: Use available resources and information to identify Indigenous communities whose rights may be affected by the local government’s urban forest management activities.
  • Acknowledge legal and traditional rights: Recognize Treaties and frameworks of legal, customary and traditional rights, including the Calls to Action from the Truth and Reconciliation Commission and the United Nations Declaration on the Rights of Indigenous Peoples.
  • Involve Indigenous leaders and Knowledge Keepers: Seek guidance from Indigenous leaders, Knowledge Keepers, Elders and Youth to advise on urban forest planning and stewardship from an Indigenous lens. 

Local governments can prioritize inclusive community engagement, establish diverse partnerships, adhere to equitable protocols and target programming to ensure that forests and trees are planted, preserved and protected in all neighbourhoods regardless of social, ethnic or economic demographics.  

Engagement can occur at different stages of the planning process, including before the plan is developed to gather input on community values, or after drafting the plan to ensure it aligns with community priorities and concerns.  

Various engagement methods can be utilized, including:  

  • questionnaires and surveys to collect broad input from community members
  • open houses and workshops to facilitate in-depth discussions and interactive sessions
  • online tools to provide accessible platforms for community members to contribute their perspectives and expertise. 

Some resources that can help with these steps include: 

Next steps

Here are additional resources that can help you get started with urban forest planning: 


This resource was created in partnership by Tree Canada and FCM’s Green Municipal Fund for the Growing Canada’s Community Canopies initiative, which is delivered by the Federation of Canadian Municipalities and funded by the Government of Canada. 

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This factsheet covers key points to consider when choosing trees and shrubs for your local planting projects. It provides step-by-step guidance communities can follow to ensure the right trees are planted in the right places to achieve their urban forestry goals, beautify the landscape and deliver the long-term benefits of a healthy community canopy.  

This factsheet was created to support small and rural communities who are just developing their urban forestry approaches and content might be helpful for municipal staff working in various departments such as public works, recreation or public health services.

Why does stock selection matter? 

Stock selection is all about choosing high-quality trees and shrubs to plant that are suitable for local conditions. This process includes determining the required stock size, selecting the right species and evaluating the condition and quality of young trees before purchasing and planting them. Well-chosen stock should be aligned with your project’s planting objectives and compatible with the planting location. 

Selecting the right stock is critical for tree establishment and growth. High-quality trees and species that are well-suited to the planting site are more likely to thrive and achieve their intended benefits. Choosing the most appropriate species for the site is also the best way to increase biodiversity and support the broader ecosystem. 

Choosing the right species to plant  

First, consider the objectives of your planting project when selecting what species to plant. What are your community’s planting or other sustainability goals, such as canopy cover or biodiversity targets? Do you have site-specific objectives, such as flood mitigation or urban heat island mitigation? What are the traits the selected species should have to best meet these objectives and suit the site conditions? 

For example, if you are looking to mitigate urban heat island effects in a neighborhood prone to hot and dry conditions, you would choose drought-tolerant species that can withstand harsher conditions. Or, if your objective is to restore habitats for species-at-risk or to restore forests in naturalized areas, you would consider choosing a diversity of native species that grow well in existing conditions. 

There are several factors to consider when choosing which species to plant: 

Suitability 

Choose species well-suited to the local environment and planting site. Consider water use, shade tolerance, wind tolerance and physical limitations. Determine which plant hardiness zone your area is in to understand what species can survive the lowest temperatures. Whenever possible, choose nursery stock that has been grown locally or in a similar climate.  

Species should also be suitable for future climate scenarios. This may mean selecting more resilient species that can tolerate warmer or dryer conditions, choosing fire-resistant species in fire-prone areas and avoiding species that are threatened by endemic pests and diseases. Regional climate models can help you evaluate how local conditions may change over time. 

Diversity  

Aim for a diversity of species for a tree canopy that is more resilient to pest and disease infestations. Adopt a diversity guideline to inform stock selection, such as the 10-20-30 rule, which recommends having no more than 10 percent of one species, 20 percent of one genus and 30 percent of one family in an urban forest population. These guidelines can be adjusted according to the diversity of species the local climate can support. Alternate methods include ensuring functional diversity in the trees you select, so that different traits, such as tolerance to shade, droughts or floods, are well-represented. 

Consider shrubs (smaller, multi-stemmed, woody plants) for part of restoration or habitat planting projects, for edible planting projects, or for specific sites within the project where tree planting is not viable. 

Native vs. non-native species 

It’s important to select regionally and genetically appropriate seed stocks that are likely to survive a changing climate. Choose native species whenever possible for natural areas and where site conditions permit as they support native habitat and biodiversity.  

In urban settings, non-native species can be better adapted to conditions or more resilient to climate change. However, extra care is needed when choosing non-native species. Invasive species should be avoided as they can have very detrimental effects on local ecosystems and biodiversity. It is important to ensure the selected species comply with local regulations. 

Aesthetics and maintenance 

Consider the species’ appearance and maintenance needs, including potential nuisances like allergens. Trees grow in a variety of forms and colours that can beautify landscapes. Factors such as fall colour, flowers or fruit and growth form should all be considered in species selection.  

Burlap trees ready to be planted.

 

Ensuring the stock you choose is high quality

Nursery stock comes in various ages, sizes and types. Here are common types you may choose from: 

  • Seedlings are very young trees, easy to plant in large numbers, easy to transport and inexpensive. They are most appropriate for natural planting or large-scale planting (e.g., replanting a forest). They are less well-suited for street tree planting or planting in high traffic areas as they can be easily damaged.  

  • Bare-root trees are transplanted without soil on their roots. This means they are lighter, but it also makes them more susceptible to root damage. It’s important to keep them moist if they are not going to be planted immediately.  

  • Container-grown trees and shrubs are often grown in artificial soil in various sizes. They are easy to handle and transport, but their roots can girdle and be restricted by the container size. Also, winter conditions can damage container-grown trees if they are grown above ground because they are less protected from cold temperatures. However, they can be moved inside more easily before planting if needed.  

  • Ball and burlap trees are commonly larger trees, grown in the soil at the nursery and then removed with their roots and soil covered by burlap material. The root ball protects the roots during transport, but ball and burlap trees are heavier and more difficult to transport. Their large size makes ball and burlap trees more resistant to damage and therefore more appropriate for planting in high traffic areas.  

Consider the type of trees and shrubs that will best suit your planting needs and contact a local nursery to source suitable stock. Always assess nursery stock to ensure plants are high quality and likely to establish and grow after planting. Young plants should be inspected at the nursery and upon delivery in accordance with the Canadian Landscape Standard and Canadian Nursery Stock Standard.  

Here’s a quick guide you can follow when inspecting nursery stock for acceptance: 

  1. Is the stock free of pest and disease? 

  2. Is it free of invasive weeds in the root ball? 

  3. Is it free of injury or other defects? 

  4. Is it free of girdling roots (roots that grow in a circular pattern around the trunk, or at or below the soil line)? 

  5. Is it free of co-dominant leading stems (single leader present)? (This is for trees only.)

  6. Are branches well-spaced and not crowded? (This is for trees only.)  

  7. Does the trunk increase in diameter closer to the root ball (also called trunk taper)? 

Make sure to plan the logistics of accepting, transporting and storing nursery stock, especially if you will not be planting immediately. For example, you will want to ensure that plants are stored in the shade and any coverings used to protect leaves or roots are removed to avoid excessive heat stress. Work with your contractor or the nursery to ensure the successful transfer and storage of trees and a timely planting operation.  

 

Opportunities to involve the community 

Engaging the community in stock selection can foster urban forest stewardship and create educational opportunities. For example, residents can play a role in selecting species for planting projects in their own neighbourhoods and learn how to select, plant and care for trees on their own properties. By involving community members, local governments can gather valuable feedback on the types of trees preferred and educate people about the reasons behind stock selection. This engagement empowers residents to participate in decisions that impact their environment, promotes a sense of shared responsibility for the urban forest and can encourage good tree planting practices across the community. 

Next steps 

Here are additional resources that can help you get started with stock selection: 


This resource was created in partnership by Tree Canada and FCM’s Green Municipal Fund for the Growing Canada’s Community Canopies initiative, which is delivered by the Federation of Canadian Municipalities and funded by the Government of Canada. 

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