Canada Environmental Science Opportunity (CESO)

Canada Environmental Science Opportunity (CESO) is sponsored by Environment and Climate Change Canada (ECCC). Funding opportunity to engage experts in environmental science and advance projects addressing critical environmental issues, including climate change and nature.

Canada Environmental Science Opportunity - Canada. ca Canada Environmental Science Opportunity Environment and Climate Change Canada (ECCC) is launching a new call for applications for a funding opportunity to engage experts in environmental science and advance projects that address critical environmental issues, such as climate change and nature.

Applicants can apply to the following streams for projects that will start in the fiscal year April 2026 – March 2027: Stream 1: Research, modelling & risk assessment​ Stream 2: Nature research Stream 3: Research & analysis to support Canada’s path to net zero Funding Opportunity application open date: May 5, 2026, 15:00 Eastern Time Funding Opportunity application closing date: July 7, 2026, 15:00 Eastern Time Applicant guides for all streams are available through the Grants and Contributions Enterprise Management System (GCEMS) or by contacting enviroinfo@ec.

gc. ca . Stream 1: Research, modelling & risk assessment Theme 1A: Research related to Canada’s changing climate Up to $150,000 per year, per project for a maximum of four years.

Canadian post-secondary academic institutions and Canadian regional climate consortia. Projects funded under this theme will address key knowledge gaps in climate science, where evidence remains limited or uncertain.

(1) Carbon cycle feedbacks over land and/or oceans: Research will reduce uncertainty in the magnitude, sign, timing, and regional variability in carbon‑cycle feedbacks using improved modelling methods which may include Artificial Intelligence (AI)/Machine Learning (ML) methods.

Funded projects will focus on one or more of the following priority science and knowledge areas: Advancing process understanding and modeling of carbon feedbacks over land and oceans, and how these feedbacks affect the global natural carbon budget or Canada’s net carbon balance Quantifying uncertainties in carbon cycle feedbacks to improve long-term projections (2) Regional Climate Change, including extreme events: Research will address low‑confidence aspects of regional climate signals and extremes.

This includes event attribution, high‑impact or compound extremes, and high‑resolution regional climate modelling.

Funded projects will advance one or more of the following priority science and knowledge areas: Improving attribution and projection of high‑impact extreme events Advancing high-resolution regional modelling of extremes Large-scale atmospheric drivers of extremes including changes in low frequency variability modes (e.g. El Niño-Southern Oscillation – ENSO, Pacific Decadal Oscillation - PDO, North Atlantic Oscillation - NAO), storm tracks, the polar vortex, extratropical cyclones, atmospheric rivers, and North Atlantic hurricanes Improving historical characterization and understanding of poorly observed extremes, including sub-daily rainfall, freezing rain, hail, convective wind events (3) Probabilistic scenarios of future change Research will support the development of probabilistic, decision‑relevant scenarios that identify plausible futures and communicate uncertainty transparently.

Funded projects will advance one or more of the following priority science areas: Providing probabilistic projections for temperature, precipitation, and related risk indicators aligned with the needs of adaptation practitioners Developing methods to reconcile multi‑model ensembles, observational constraints, and storyline approaches to reduce divergence and quantify uncertainty in future regional change (4) Extreme Coastal waves and water level projections Research will provide new insights into coastal water level projections under different climate scenarios, including extreme events.

Funded projects will advance one or more of the following priority science and knowledge areas: Providing probabilistic projections of future changes in coastal water levels Applying coastal downscaling of ocean wave conditions to hundreds of meters, including information of the wave spectra, needed for coastal management and other applications Developing and applying wave setup and wave runup projections (a component of the extreme water level along a shoreline not currently available in projections at the Canadian scale) Advancing attribution studies based on coastal waves and/or sea level data (e.g., for coastal flooding).

Determining sea ice effects on coastal waves and water levels, including improvements in sea ice parameterizations in wave models based on recent satellite data Theme 1B: Quantifying the impact of cryosphere loss on freshwater Up to $200,000 per year, per project for a maximum of five years. Canadian post‑secondary academic institutions.

Funded projects will expand knowledge of processes and feedbacks, modernize monitoring systems, and apply advanced numerical modelling to understand cryosphere responses and implications for aquatic ecosystems and society. Science that advances understanding of cryospheric change will support water resource management and climate adaptation in Canada and contributes to the UN Decade for Action on Cryospheric Sciences (2025–2034).

Funded projects will advance one or more of the following priority science and knowledge areas: Improving observational and modelling systems to quantify and predict how thawing permafrost affects surface and groundwater quantity and quality, including releases of metals, carbon, nutrients, and contaminants Quantifying how warming, reduced snow, and declining glacier runoff affect freshwater storage and supply, with implications for agriculture, municipal water, hydro‑electricity, and groundwater recharge Studying links between cryosphere change, freshwater habitats, and aquatic ecology, including effects of changing snow and glacier meltwater on stream temperatures Projecting shorter lake and river ice seasons and assessing effects on shoreline erosion, water temperature, evaporation, water levels, water quality, aquatic ecosystems, ice roads, and weather (e.g., lake‑effect snow) Understanding regime shifts in freshwater quantity, quality, and aquatic ecosystems related to temperature, precipitation, and cryosphere change.

This work will guide risk assessment and support the development of integrated hydro‑climatic monitoring and modelling initiatives Theme 1C: Studying changing air quality conditions with climate change Up to $100,000 per year, per project for a maximum of four years.

Canadian post-secondary academic institutions, Canadian non-governmental organizations, and Indigenous organizations, governments, boards, commissions, associations, and authorities.

Unlike other forms of pollution, every person living in Canada is exposed to air pollution, which presents the largest environmental risk to human health in Canada, contributing to an estimated 17,400 premature deaths and $146 billion per year in economic costs. Air quality and climate change interact, with some air pollutants also contributing to warming or cooling the climate, so researchers must consider these links.

Higher temperatures, extreme weather, and other climate‑related changes are expected to worsen air quality. Funded projects will examine the interdependency of air quality and climate change to quantify ecosystem and human‑health impacts. They will use these findings to inform emissions‑risk management strategies.

Funded projects will advance one or more of the following priority science and knowledge areas: Understanding how the changing mix of emissions impacts atmospheric chemistry, air quality, and pollutant deposition Quantifying wildfire emissions and studying how they affect air quality, using historical data from events where wildfires affected communities and ecosystems Understanding how urban emission profiles will change with climate change, and how those shifts will affect air quality, including how researchers will consider the transport of wildfire smoke into urban areas Examining how transportation emissions could evolve, and the implications for air quality Identifying the pollutants whose emissions are expected to increase significantly and thus should be tracked in the future Theme 1D: Building confidence in the use of new approach methods in ecological risk assessment Up to $250,000 per year, per project for a maximum of four years.

Canadian post‑secondary academic institutions. Research is needed to develop, standardize and establish scientific relevance and confidence to demonstrate the suitability of new approach methods (NAMs) in keeping with the Organisation for Economic Co-operation and Development (OECD) weight of evidence guiding principles and key elements . This is to support fit-for-purpose uses of NAMs across regulatory contexts.

The results of the funded research projects will enhance the department’s capacity to prevent and manage pollution and to implement the Strategy to replace, reduce or refine vertebrate animal testing under the Canadian Environmental Protection Act, 1999 (CEPA) - Canada. ca .

Funded projects will aim to build confidence in the use of NAMs in ecological risk assessment, and advance one or more of the following priority science and knowledge areas: Cellular / in vitro assays Early-life stage (that is, prior to self-feeding) and non-vertebrate whole organism models Tissue and organoid models Data science / bioinformatics Theme 1E: Advancing the integration of Artificial Intelligence (AI) for operational hydro-meteorological and environmental services Maximum of $200,000 per project for one, two or three years, with funding for multi-year projects allocated in equal amounts each year.

Canadian post-secondary academic institutions actively engaged in research related to the atmosphere, environment, water, air quality, information technology, or data science. Projects will advance expertise in the integration of Artificial Intelligence (AI) technologies for operational hydro-meteorological and environmental services in Canada.

Innovations in AI technologies for weather and environmental prediction including modelling, post-processing, data management, and observation quality control have the potential to deliver broad societal benefits, such as improved, timely and user-specific information related to extreme and high-impact weather and environmental events, more efficient use of computing resources, and enhanced responsiveness to emerging and evolving service needs Projects are sought to advance knowledge and expertise in Canada to better understand how AI can be effectively applied in the context of operational hydro-meteorological and environmental services, while remaining aligned with principles of transparency, accountability, and responsible use of AI Funded projects will advance one or more of the following: AI-based methods that improve quality of predictions for extreme and high-impact weather and environmental events Unified AI-based approaches and frameworks across atmospheric, oceanic, hydro, land and air quality domains, with an emphasis on improving modelling performance and computational efficiency AI-based decision-making and prioritization activities in weather and environmental services, using large data sets AI-based methods to assess, enhance, and maximize the value and reliability of observational networks AI-based intelligent water monitoring, prediction, and resource optimization Stream 2: Nature research Theme 2A: Nature-based climate solutions Up to $100,000 per year, per project for a maximum of three years.

Canadian post-secondary academic institutions; Canadian non-governmental organizations; and Indigenous organizations, governments, boards, commissions, associations, and authorities. Projects will enable the reductions of Canada’s net GHG emissions using natural climate solutions, while benefitting biodiversity and human well-being.

Projects will address science and knowledge gaps to be better able to effectively design and implement nature-based initiatives to avoid or reduce GHG emissions and mitigate climate change impacts while benefiting biodiversity.

Funded projects will advance one or more of the following priority science and knowledge areas: Avoid GHG emissions by halting or reducing the conversion of carbon rich ecosystems to another less carbon rich ecosystem (e.g., from a forest/grassland/wetland to cropland or an urban development) Restore carbon storage and biodiversity in converted or degraded ecosystems Reduce GHG emissions caused by natural resource use, including by implementing new forest harvesting management practices Develop policies, programs or tools with key actors in priority sectors, and implement them to reduce GHG emissions and improve biodiversity Measure and report on GHG outcomes from natural climate solutions Provide biodiversity and human well-being co-benefits Advance the federal commitment to reconciliation with Indigenous people Advance science and knowledge on natural climate solutions in Canada Theme 2B: Species at risk Up to $100,000 per year, per project for a maximum of three years.

Canadian post-secondary academic institutions; Canadian not-for-profit organizations; and Indigenous organizations, governments, boards, commissions, associations, authorities. There are more than 600 species at risk (SAR) listed under schedule 1 of the Species at Risk Act . For many other species, we lack information to properly assess their population status.

Projects will enable species‑at‑risk–focused scientific research on migratory birds, other migratory species, and species that span multiple Canadian jurisdictions.

Funded projects will advance one or more of the following priority science and knowledge area: Informs the assessment of COSEWIC candidate species , including drivers of their population decline Informs recovery planning for species listed as Threatened or Endangered, including resident description and critical habitat identification for which a recovery strategy has not yet been prepared ( view all existing reports ) Addresses the description of activities detailed in the schedule of studies in existing recovery plans Informs stewardship and conservation activities , including the assessment of effectiveness / appropriateness of recovery actions for SAR species Theme 2C: Building the science to support the protection of coastal ecosystems Up to $100,000 per year, per project for a maximum of three years.

Canadian post-secondary academic institutions; Canadian non-governmental organizations; and Indigenous organizations, governments, boards, commissions, associations, authorities.

Projects will advance research on the stressors impacting marine birds and other wildlife in arctic ecosystems, and community-based scientific training and capacity-building programs that foster marine wildlife and ecosystem science expertise in coastal communities in Canada. This science will contribute to ensuring healthy, resilient, and productive coastal ecosystems.

Funded projects will advance one or more of the following priority science and knowledge area: Research to inform the assessment of risks of marine transportation to marine birds and other wildlife, particularly in the Arctic Research to develop species distribution models for Arctic marine species and other wildlife For community-based project components, funding will support developing and delivering science training programs on marine ecosystems, especially marine birds and other wildlife; these programs will enable Indigenous peoples to engage in conservation and in assessing impacts within their lands or traditional territories Stream 3: Research and analysis to support Canada’s path to net zero Funding under Stream 3 is available through the Climate Action and Awareness Fund which is administered by the Environmental Damages Fund (EDF).

More information regarding eligibility, past projects, and the EDF is available here. Theme 3A: Identifying future considerations of GHGs and air pollutants in achieving net zero Applicants must request between $500,000 to $2 million (over a maximum of 5 years) from ECCC in the application budget to be eligible.

Eligible applicants must be Canadian not-for-profit organizations and must fall under one of the following categories: Non-governmental organizations (e.g., think tanks and research-based institutions, including registered charities, Indigenous research organizations, environmental community groups, etc.) Universities and academic institutions (e.g., community colleges, Indigenous Institutes, CÉGEP) For projects related to advancing research and development related to future GHG emissions and air pollutants’ impacts on climate, air quality, and achieving net zero in Canada.

Priority will be given to projects that: Examine trends of GHG emissions and air pollutants and their cross-influences on climate and air quality Improve simulations of climate impacts from disturbance-related emissions (e.g. forest fires, permafrost thaw, land-use changes) Inform our understanding of how atmospheric chemistry in urban and background or rural sites will change in the future, particularly with the impact of climate forcers on air quality Theme 3B: Examining impacts of technologies and obstacles on pathways to reach net zero Applicants must request between $500,000 and $2 million (over a maximum of 5 years) from ECCC in the application budget to be eligible.

Eligible applicants must be Canadian not-for-profit organizations and must fall under one of the following categories: Non-governmental organizations (e.g., think tanks and research-based institutions, including registered charities, Indigenous research organizations, environmental community groups, etc.) Universities and academic institutions (e.g., community colleges, Indigenous Institutes, CÉGEP) For projects that advance research and development related to mitigation actions, technologies, and overshoot pathways on the road to net zero in Canada.

Priority will be given to projects that examine the efficacy of different technologies, actions, and practices (including the development and testing of measurement tools) for achieving net zero. The results should aim to enhance the understanding of viable actions and technologies to reach net zero in a Canadian context.

Priority may also be given to projects that identify and assess risks of multiple overshoot pathways, or the scale and feasibility of necessary Carbon Dioxide Removal (CDR). Theme 3C: Enhancing emissions data to evaluate net zero progress Applicants must request between $500,000 to $2 million (over a maximum of 5 years) from ECCC in the application budget to be eligible.

Eligible applicants must be Canadian not-for-profit organizations and must fall under one of the following categories: Non-governmental organizations (e.g., think tanks and research-based institutions, including registered charities, Indigenous research organizations, environmental community groups, etc.) Universities and academic institutions (e.g., community colleges, Indigenous Institutes, CÉGEP) For projects related to advancing research and development related to enhancing measurement, monitoring, reporting, and verification (MMRV) of GHG and air pollutant emissions to support national inventories and/or evaluate progress towards Canada’s emission reduction goals.

Priority will be given to projects that explore methods to improve the quantification of emissions from: sectors such as oil and gas, waste, and healthcare; agricultural practices; human management of natural landscapes (e.g., forest management); or refrigerants. The results should aim to enhance the quality of information used to estimate and report Canada’s national inventories of GHG sources and sinks.

Priority may be given to projects that address gaps in emissions data, such as providing emission factors for biofuels. Visit the GCEMS application instructions page for technical assistance documents, tutorials, and support throughout your application preparation. Once you have submitted your application through GCEMS, the portal automatically generates an acknowledgment of receipt.

If you do not receive an acknowledgment, it is important that you email sgesc-gcems@ec. gc. ca to confirm that your application has been received .

Following the project review phase, a decision will be communicated to you by email. Environmental funding at ECCC Environmental Damages Fund Climate Action and Awareness Fund For questions, please contact us at: Toll-free: 1-800-668-6767 Email: enviroinfo@ec. gc.

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