El Niños happen when water in the tropical Pacific heats up, changing weather patterns all around the world. The hotter the ...

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(CNN) — Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations shattering their all-time ...

Microplastics and nanoplastics are so small and lightweight they can be swept into the air, where they may be helping to heat ...

(CNN) — An unprecedented heat wave in the West broke the record for the hottest March temperature anywhere in the United States: 108 degrees. It’s an alarming signal of how hot the planet is getting ...

WHO Europe’s Dr. Hans Henri Kluge explains how climate change is driving health risks and why stronger data and cooperation ...