Did humans create the Sahara Desert?

New research investigating the transition of the Sahara from a lush, green landscape 10,000 years ago to the arid conditions found today, suggests that humans may have played an active role in its desertification.

Video: Melting glaciers

Glaciers across the globe have lost over nine trillion tons of ice in half a century. How will glaciers look over the coming decades? "It all depends on what humans are doing now in terms of greenhouse gas emissions:" this ...

Urban trees could cut extreme heat by up to 6 degrees

Australia just experienced the second-warmest summer on record, with 2019 being the hottest year. Summer temperatures soared across the country, causing great economic and human loss. The good news is we can do something ...

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