Global Warming

Researchers warn that a warming ocean has serious consequences for marine ecosystems and coastal communities. (Image credit: Philip Thurston via Getty Images) Global ocean temperatures have reached a record high as El Niño injects extra heat into our already-warming world. On Saturday (Aug. 22), the daily global average sea surface…

Fragments of fossilized leaves like these helped the authors recreate the forest canopies of 56 million years ago. Credit: Dr. Regan Dunn A study finds that during the PETM, Earth’s landscapes became widely browner amid elevated atmospheric CO2, global warming, and reduced rainfall caused by volcanically driven carbon release, with…

A benchmark US report on the fast-changing state of the Arctic has been canceled. The nation’s top research body has removed a chapter on global warming from a reference manual for judges. After the mass layoffs and budget cuts of the early days of President Donald Trump’s second term, the…

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Western Europe experienced its hottest June-July on record as climate change fuels an historic summer of heat, drought and wildfires across the region, the EU's global warming monitor said Monday. Europe is the world's fastest-warming continent and the first two months of summer have been marked by successive heatwaves, scorching…

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Published Aug 01, 2026 Last updated Aug 01, 2026 1 minute read Every year, millions of monarch butterflies migrate to the same remote stretch of forest in central Mexico, an event scientists have long considered a great wonder of the insect world. Now the migration -- and the species --…

More than half the world’s population depends on rice to survive. But this year’s El Niño weather pattern and the ongoing climate crisis are intensifying dry, hot weather that could cause yields to plummet. Globally, rice production is set to fall for the first time in more than a decade,…

The looming threat of cyclospora — a parasite often found in summer produce that causes severe gastrointestinal distress in humans — has struck fear into the hearts of salad enjoyers nationwide.  On July 17, shortly after beginning its investigation into the multistate cyclosporiasis outbreak, the Food and Drug Administration announced a…

This story appeared in Today, Explained, a daily newsletter that helps you understand the most compelling news and stories of the day. Subscribe here . An underappreciated surreality of climate change is the incredible sense of déjà vu: Every heat wave seems to be the new worst; every hurricane season…