Colorado River flows will keep shrinking as climate warms

Warming in the 21st century reduced Colorado River flows by at least 0.5 million acre-feet, about the amount of water used by 2 million people for one year, according to new research from the University of Arizona and Colorado ...

Can humanity survive the 21st century?

Our civilisation faces the greatest challenge in the history of our species. It consists of ten huge, man-made threats, which are now coming together to imperil our future.

page 5 from 11