A Civil Protection member comforts a woman as a wildfire burns in the village of Veiga das Meas, Spain, on Aug. 16, 2025. Increasingly severe wildfire seasons around the world are one of the signs that some forests are at a climate threshold. Credit: Miguel Riopa/AFP via Getty Images

Accelerated Global Warming Could Lock Earth Into a Hothouse Future

If you think of Earth’s climate system as a backyard swing that’s been gently swaying for millennia, then human-caused global warming is like a sudden shove strong enough to disrupt the usual arc and buckle the chains. And if humans keep heating the planet with greenhouse gas pollution, the climate swing could lock Earth into … Continue reading Accelerated Global Warming Could Lock Earth Into a Hothouse Future

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