Humans, not Mother Nature, are to blame for forcing people from their homes, a report by the Norwegian Refugee Council charges.
If saving the planet doesn't make you switch to solar, maybe the price will.
Australia's Reef is home to more than 6,000 species.
The actor and environmental activist said "we're all to blame" for the climate crisis.
"Climate change can no longer be denied, or ignored," the president says.
Scientists say the biggest extinction event ever was caused by comparable rate of cO2 emissions to those seen today.
The New Climate Institute report argues for more ambitious energy targets to mitigate catastrophic climate change.
NASA pointed directly at human activity as the force driving the climatic changes
The U.N. apparently had no idea.
The U.S. and the European Union engaged in "trench warfare" to override Tony Abbott and get climate change on the G20 agenda
The world's biggest emitters of greenhouse gases have agreed to reduce emissions. It's politically powerful, but environmentally unsound
Climate change, the Pentagon writes, requires immediate action on the part of the U.S. Military
Climate change activists converged on Wall Street today. Newsweek reporter Zoë Schlanger was there.
Amid global turmoil, the secretary-general says climate change will dominate General Assembly discussion along with Ebola and ISIS.