Science New Research Led by James Hansen Documents Global Warming Acceleration The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea ...

The work from former NASA top scientist James Hansen, who since leaving the space agency became a prominent protester against the use of fossil fuels, which cause climate change, illustrates a ...

The work is from former NASA top scientist James Hansen, who has become a prominent protester against the use of fossil fuels.

Some scientists have warned the rate of global warming might soon accelerate. And now, after the hottest year in recorded history, some believe it is already happening.

Leading climate scientist James Hansen says 'global warming will accelerate' The past five months have shattered global temperature records, taking scientists by surprise. Many are asking why. A ...

The work from former NASA top scientist James Hansen, who since leaving the space agency has become a prominent protester against the use of fossil fuels, which cause climate change, illustrates a ...