State of the Planet

News from the Columbia Climate School

Clean Air Act2

  • A Major Legal Victory for Climate Science

    A Major Legal Victory for Climate Science

         Though most attention last week focused on the Supreme Court ruling upholding federal reform of the health-care system, the U.S. Court of Appeals for the District of Columbia issued the most important judicial decision on climate change in five years.  That decision upholds the Environmental Protection Agency’s power to regulate greenhouse gases, and it…

Earth Month Graphic Collage: "Our Power, Our Planet - April 2025"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • A Major Legal Victory for Climate Science

    A Major Legal Victory for Climate Science

         Though most attention last week focused on the Supreme Court ruling upholding federal reform of the health-care system, the U.S. Court of Appeals for the District of Columbia issued the most important judicial decision on climate change in five years.  That decision upholds the Environmental Protection Agency’s power to regulate greenhouse gases, and it…