The last thing the president said about California's catastrophic wildfires was in mid-August, when he blamed the state for not keeping its forest floors clean.
The San Francisco Bay Area was engulfed by an eerie, sepia-toned cloud of smoke and fog on Wednesday.
The year already has been marked by rising global temperatures, Arctic ice melts and intensifying wildfires and storms.
From polar bears to a pandemic, a scientist shares what it was like to be part of MOSAiC, science’s most ambitious mission to the North Pole.
The 17-year-old climate change activist said the money she won with the Gulbenkian Prize for Humanity “will help me do more good in the world.”
Here's what scientists refuse to buy when shopping for food.
The very actions that could slow climate destruction could also make us healthier, so we can better withstand the next pandemic.
Both are urgent global crises, both are taking lives ― but our reactions are very different. Climate experts explain why.
Here are some of her standout moments.
Australian summers are now effectively twice as long as its winters as climate change continues to increase temperatures.