'New El NiƱo' discovered south of the equator

A small area of the southwestern Pacific Ocean, near New Zealand and Australia, can trigger temperature changes that affect the entire Southern Hemisphere, a new study has found.

California a botanical and climate change hot spot

From coastal redwoods and Joshua trees to golden poppies and sagebrush, California is a global botanical hotspot. It's also a place confronted with extreme heat, wildfires and crumbling coastlines.

Heat claims 175,000 lives a year in Europe: WHO

Heat kills over 175,000 people a year in Europe, where temperatures are rising quicker than the rest of the globe, the World Health Organization's (WHO) European branch said Thursday.

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