UN adopts 'historic' high seas treaty

The world's first international treaty to protect the high seas was adopted Monday at the United Nations, creating a landmark environmental accord designed to protect remote ecosystems vital to humanity.

Senegal harvests first experimental homegrown wheat

With the whir of a mower, under a clear blue sky, Senegalese researchers have begun harvesting a crop of experimental homegrown wheat, the latest step in a years-long effort to reduce reliance on imports.

Limiting global warming now can preserve valuable freshwater

Snowcapped mountains not only look majestic, they're also vital to a delicate ecosystem that has existed for tens of thousands of years. Mountain water runoff and snowmelt flows down to streams, rivers, lakes, and oceans—and ...

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