Greenhouse gases rise by record amount

Associated Press

The global output of heat-trapping carbon dioxide has jumped by a record amount, according to the US department of energy, a sign of how feeble the world's efforts are at slowing man-made global warming.

Warming Could Exceed Safe Levels In This Lifetime

Nina Chestney

Global temperature rise could exceed "safe" levels of two degrees Celsius in some parts of the world in many of our lifetimes if greenhouse gas emissions continue to increase, two research papers published in the journal Nature warned.

Wally's World

08-03-2010

BRAD JOHNSON

Thirty-five years ago this week, Wallace Broecker predicted decades of dangerous climate change caused by humans. Unfortunately, he was all too prescient.

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