EPA8
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Will the economy call the EPA’s bluff?
As expected, the Environmental Protection Agency is calling carbon dioxide (CO2) a danger to public health and welfare, a necessary first step for the agency to regulate CO2 under the Clean Air Act. Commentators, including myself, have doubted that the endangerment finding will lead to comprehensive regulation of CO2 under the Clean Air Act, as…
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EPA Water Quality Video Contest- Win $2,500!
For those creative types out there, here is your chance to have some fun while spreading the word about water quality and environmental stewardship. The EPA is offering a cash prize for a 30 or 60 second video that is usable as a TV public service announcement, or a 1-3 minute instructional video Full details…

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More