The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Hothouse Earth

Melt ponds on top of sea ice in the Arctic Ocean, two researchers

Faster than forecast, climate impacts trigger tipping points in the Earth system

By David Spratt | Climate Change

windmill in mountains

Why Bill Gates and John Kerry are wrong about climate change

By John Carey | Analysis, Climate Change

nasa arctic ice climate change

Bad climate news, times three—plus some hope

By Dan Drollette Jr | Analysis, Climate Change

The Greenland Ice Sheet was melting already in 2009

Revisiting the climate collapse: The view from Nuuk in the year 2070

By David Spratt | Climate Change, Doomsday Clock

Watch the 2025 Doomsday Clock announcement on January 28