By Nicole Wang
Carbon offsets have become more common as a way for people to address carbon intensive activities that they have a difficult time reducing in the short term. For many households, that means everyday sources like home energy use, personal driving, and flights. Offsets are best used as a complement to as opposed to a replacement for taking more direction action to reduce emissions at the source.
When emissions are unavoidable, there are a lot of options to choose from, such as certified carbon offset programs that amalgamate global projects as well as local options, like Tree Trust’s Carbon Calculator, that provide an alternative to certified carbon offsets closer to home. It is not always easy to decide amongst the various carbon offset options out there, so here are some things to be aware of before making your decision.
In practice, not all offset programs are created equal. Certification standards started up as a way to add some rigour and trust by employing independent audits and public registries. Contributing to certified carbon offset projects has some advantages: they are convenient to support, and donations can be scaled up or down to meet different offset targets. On the other hand, projects can sometimes feel distant, and some of the long-standing challenges that certification was designed to address still remain in practice.
What Certification Does Well
- Improves the accountability of projects with clear protocols for measurement, reporting, and verification.
- Standardizes methods so results are comparable.
- Requires third-party reviews and audits.
- Tracks credits in registries to reduce the risk of double-counting.
- Makes participation easier for buyers and helps large projects attract funding.
How Offsets Fall Short
- Uncertain permanence: There is a risk that carbon stored in certified projects is later released. For example, if trees planted subsequently combust in forest fires or are harvested for their timber (Hurteau, Hungate, & Koch, 2009; Kaarakka, Rothey, & Dee, 2023; Dye et al., 2024).
- Distance and visibility: Many certified projects are large-scale renewable energy, forestry, or industrial migration sites that are outside a donor’s community, sometimes in other provinces or countries. Certification improves documentation, but it does not always provide the on-the-ground visibility that people want.
- Certification barriers: While certification strengthens project integrity, it also adds costs and steps that are hard for community-scale projects to absorb. In short: programs pay account and review fees; must hire accredited auditors; and repeat verification over time. Since many of these costs are fixed, small projects with low annual credit volumes can face per-credit costs that exceed expected revenue, making certification financially unviable for smaller scale initiatives. (See current fee examples from Verra and Gold Standard.)
More people want a clear line of sight between their contribution and results they can observe locally. There is growing interest in options that are local and transparent, and easier to understand and follow over time.
A Carbon Offset Alternative That's Close to Home
Tree Trust, founded by Toni Ellis and supported by Reep Green Solutions in Waterloo Region, offers an alternative through its Carbon Calculator. The calculator helps people estimate emissions from flying, driving, and heating their homes. Contributions then fund professional care for mature legacy trees here in our community.
“When we started Tree Trust, there were no clear standards and it was beyond our capacity, financially and time-wise, to pursue certification. We wanted a simple way for people who were flying to give back to their community.” says founder Toni Ellis.
Legacy trees store far more carbon than saplings and provide many other benefits, such as improved air quality, stormwater management, urban cooling, and habitat for wildlife.
Why the Tree Trust Model is Different
Tree Trust does not hold international carbon offset certifications. Instead, it focuses on local transparency, measurable results, and community involvement.
According to Ellis, the Tree Trust approach has clear advantages:
- Direct community impact: Funds maintain healthier, more resilient urban forests where we live.
- Support for local professionals: Certified arborists and tree-care teams in our region do the work.
- Benefits beyond carbon: Shade, biodiversity, and more liveable streets for everyone.
Supporters receive periodic newsletters and can check website and social media posts that summarize the work done to care for local trees.
Making Offsets Count
Offsets should be used to complement, not replace, efforts to cut emissions at the source. Before purchasing offsets, it is important to consider how much can be reduced through changes to energy use, transportation, and other everyday decisions. For emissions that cannot be avoided, local programs like Tree Trust give people the opportunity to take meaningful action while supporting the health of their own communities. At the end of the day, there are a lot of carbon offset options to choose from, each coming with their own sets of benefits and tradeoffs.
You can try the Tree Trust Carbon Calculator to estimate your footprint and see how your contribution can help preserve legacy trees in Waterloo Region. Many of these trees are more than 100 years old and continue to store significant amounts of carbon while making our neighbourhoods greener and healthier. By choosing a program where you can see the results of your contribution, you can be confident that your support is helping both the climate and the community around you!
Sources
Dye, A. W., Houtman, R. M., Gao, P., Anderegg, W. R. L., Fettig, C. J., Hicke, J. A., Kim, J. B., Still, C. J., Young, K., & Riley, K. L. (2024). Carbon, climate, and natural disturbance: A review of mechanisms, challenges, and tools for understanding forest carbon stability in an uncertain future. Carbon Balance and Management, 19, Article 35. https://doi.org/10.1186/s13021-024-00282-0
Written by Nicole Wang, Reep’s former Fundraising and Events Coordinator in 2025. She is a third year Business Administration student at Wilfred Laurier University, and in her spare time likes adventuring with her friends and spending time outdoors.
