Our Latest Report

The Real Costs of Ontario’s Nuclear Gamble

This analysis compares Ontario’s planned nuclear-heavy electricity pathway with a renewable energy alternative built around wind, solar, battery storage, and energy efficiency. It finds that the nuclear expansion approach would be significantly more expensive and carry greater financial risk than a cleaner, more flexible system. The findings highlight key questions about affordability, reliability, and the long-term direction of Ontario’s energy future.

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Reports & Guides by Issue

Our work is based on research, science, and a strong understanding of the facts. Below you will find our archive of reports, guides and media backgrounders that are available for download. You can find our government submissions here.

Mounting Costs

Mounting Costs

Climate change is rewriting the rules of home insurance across Canada, as wildfires, floods, and extreme weather events increase in frequency, insurance premiums are rapidly rising. Understanding the risks and acting on them has never been more critical for Canadian families and communities.

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Climate Promises, Industry Handouts: $10 Billion Fossil Fuel Subsidies 2025

Climate Promises, Industry Handouts: $10 Billion Fossil Fuel Subsidies 2025

In 2025, Canadians struggled to deal with increasing climate impacts and an affordability crisis. Yet, the Government of Canada continued to provide billions in public support to the same fossil fuel companies that are driving climate change. This ongoing support comes as other countries choose to accelerate towards cleaner and cheaper forms...

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Media Backgrounder: Fossil Fuel Fact Check

Media Backgrounder: Fossil Fuel Fact Check

Misinformation and disinformation about climate change are on the rise. It erodes trust in climate solutions and weakens the political base of support for climate policies and government action. While burning fossil fuels is the primary cause of the climate crisis, conflicting information about oil, gas and coal proliferates and pro-fossil fuel...

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New Government, Same Big Oil Playbook: 2025 Fossil Fuel Lobbying Report

New Government, Same Big Oil Playbook: 2025 Fossil Fuel Lobbying Report

Environmental Defence’s tracking of fossil fuel industry lobbyists reveals that Big Oil had at least 986 meetings with the federal government in 2025, nearly four per working day. With the federal election early in 2025, the fossil fuel lobby acted quickly to pressure the new government to grant its wishlist of environmental...

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No Grand-Bargain to be made

No Grand-Bargain to be made

The Canadian Association of Petroleum Producers (CAPP) is urging the federal government to weaken industrial carbon pricing and rely on Alberta’s ineffective TIER system, while opposing stronger methane regulations and calling for greater industry influence over climate policy. Its proposals misrepresent market realities and carbon pricing impacts, and would undermine federal guardrails,...

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