News tagged with atmospheric changes

Fools' gold found to regulate oxygen

As sulfur cycles through Earth's atmosphere, oceans and land, it undergoes chemical changes that are often coupled to changes in other such elements as carbon and oxygen. Although this affects the concentration of free oxygen, ...

Jul 23, 2012 5 / 5 (3) 0 | with audio podcast

US spring warming off the charts

The continental United States experienced the warmest spring on record this year, with temperatures far above the average over the past century, government scientists said Thursday.

Jun 07, 2012 4.2 / 5 (24) 174