Earth - Earth Sciences news

Lake Mead could be dry by 2021

There is a 50 percent chance Lake Mead, a key source of water for millions of people in the southwestern United States, will be dry by 2021 if climate changes as expected and future water usage is not curtailed, ...

Feb 12, 2008
4.1 / 5 (50) 8

Carbon dioxide controls Earth's temperature

(PhysOrg.com) -- Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on ...

Oct 14, 2010
3.7 / 5 (55) 327 | with audio podcast