Newsflash: Global Warming Man Made - Antarctic Ice Bubbles Tell The Tale

Photo courtesy elisfanclub on flickr

O.K. perhaps it's not news to you, and instead just a bit more evidence of man's effect on climate. Eons of air bubbles trapped in Antarctic ice reveal how carbon dioxide ups and downs are in sync with rising and falling Earth temperatures, according to research presented in the journal Nature Geoscience - and hypothesizes how the recent surge of CO2 emissions has thrown that system, known as a feedback mechanism, out of whack.

Researcher Richard Zeebe measured CO2 in the air pockets in layers of Antarctic ice and found that amounts waxed and waned with known periods of cooling and warming on Earth. In the past C...