Aerial photos starting from the late 1940s and satellite imagery that became available in the 1970s have helped scientists map what the Arctic’s permafrost landscapes looked like in the past, including where its permafrost
The fossil record preserves this same fragmented leaf litter. Comparing the shapes of thousands of epidermal cells with the leaf area index we measured revealed a remarkably strong relationship: The more elongated the cells, the
Welcome to the new normal: When the sky in New York City or Detroit turns a sickly shade of orange, your first thought might be to wonder what part of Canada is burning now. 2026 is
In June, the U.S. National Oceanic and Atmospheric Administration warned that there is a 63% chance of a very strong El Niño developing before the end of 2026, potentially rivaling the most severe episodes since
Bangkok’s heat index reached a scorching 51.9 degrees Celsius in late June, capping a stretch of danger-zone readings that began in April. For residents, it was just another sweltering day. But for policymakers and city
