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Enhancing carbon storage in natural ecosystems could put a small but significant dent in Canada鈥檚 greenhouse gas (GHG) emissions, but an aggressive commitment to reducing human-caused emissions remains critically important, according to a new expert panel report from the Council of Canadian Academies (CCA), co-authored by 成人VR视频 Professor Gail L. Chmura in the Department of Geography. Preserving these existing landscapes, however, is imperative to successful climate action 鈥� development and land-use changes, as well as increasing temperatures, make them vulnerable to disturbance and risk the release of more GHGs into the atmosphere.

Full implementation of nature-based climate solutions (NBCSs) would mitigate a small fraction of Canada鈥檚 current annual emissions, even with aggressive support and deployment. Although modest, NBCSs can bring about other benefits, including coastal flood control, improved air and water quality, reduced soil erosion, enhanced property values, reduced urban heat-island effects, and greater biodiversity.

鈥淢any of Canada鈥檚 Nature-Based Climate Solutions will help to counter the extinction crisis as well as the climate crisis,鈥� said Prof. Chmura. 鈥淭he protection and restoration of wetlands, which I research, are part of the suite of Nature-Based Climate Solutions we have identified for Canada as wetlands are not only highly effective ways to store carbon, but are habitats essential for maintaining biodiversity.鈥�

鈥淥n a global scale, the carbon stored in Canada鈥檚 forests, wetlands, grasslands, and coastlines is quite significant,鈥� said Glen MacDonald, PhD, FRSC, Chair of the Expert Panel. 鈥淐anada has the opportunity to become a leader in nature-based climate solutions and it鈥檚 our hope that this report will help to inform both Canadian and international efforts to meet the global challenges of climate change.鈥�

The Government of Canada has committed to reducing GHG emissions to at least 40% below 2005 levels by 2030 and achieving a net-zero Canadian economy by 2050. The Expert Panel on Canada鈥檚 Carbon Sink Potential determined that NBCSs can provide a way to protect, restore, and manage ecosystems that sequester carbon and help the government to meet its climate goals. But implementing NBCSs will require careful consideration of costs, policies, behavioural barriers, and technical impediments to determine which ones are the most promising for widespread use in Canada.

鈥淭he concept of natural carbon sinks has attracted a lot of attention in recent years for its potential to support climate policy, but their potential impact is complex,鈥� said Eric M. Meslin, PhD, FRSC, FCAHS, President and CEO of the CCA. 鈥淭his report explores some of the barriers to implementation as well as the benefits that could help inform improved ecosystem management and protection in Canada.鈥�

Environment and Climate Change Canada, along with six other supporting federal departments and agencies, asked the CCA to examine the potential for enhancing carbon storage and reducing emissions through nature-based solutions to support climate change mitigation and adaptation planning in Canada.

Nature-Based Climate Solutions provides an overview of the potential of natural carbon sinks, options for enhancing carbon sequestration or reducing emissions in various ecosystems, and the potential co-benefits. The report also explores how Indigenous Peoples are key partners in carbon sequestration initiatives in Canada.

Visit to download the report.