Global climate change is accelerating and human-caused emissions of greenhouse gases are the overwhelming cause, according to a landmark report released Monday by the United Nations. There is still time to avoid catastrophic warming this century, but only if countries around the world stop burning fossil fuels as quickly as possible, the authors warn.
"Jane Lubchenco"
Lubchenco stepping down from top NOAA post next year
NOAA Administrator Jane Lubchenco told her staff Wednesday that she will be leaving the post early next year.