Earth news

Why is Greenland covered in ice?

There have been many reports in the media about the effects of global warming on the Greenland ice-sheet, but there is still great uncertainty as to why there is an ice-sheet there at all.

Aug 27, 2008
3.8 / 5 (65) 12

Global warming to carry big costs for California

(AP) -- From agricultural losses to devastation wrought by wildfires, California's economy is expected to see significant costs resulting from global warming in the decades ahead, according to a new report.

Mar 12, 2009
4.3 / 5 (56) 11

U.S. Crop Yields Could Wilt in Heat

(PhysOrg.com) -- Yields of three of the most important crops produced in the United States - corn, soybeans and cotton - are predicted to fall off a cliff if temperatures rise due to climate change.

Aug 24, 2009
4.5 / 5 (54) 5

Earth has warmed 0.4 C in 30 years

(PhysOrg.com) -- Half of the globe has warmed at least one half of one degree Fahrenheit (0.3 C) in the past 30 years, while half of that -- a full quarter of the globe -- warmed at least one full degree Fahrenheit ...

Dec 11, 2008
4.3 / 5 (56) 36

A new measure of global warming from carbon emissions

Damon Matthews, a professor in Concordia University's Department of Geography, Planning and the Environment has found a direct relationship between carbon dioxide emissions and global warming. Matthews, together with colleagues ...

Jun 10, 2009
4.2 / 5 (57) 13