Clear and present danger: a conversation with Nobel Laureate Steve Chu on the risks of climate change

Source: Copenhagen Climate Council.
"Since the IPCC report came out in 2007, new data point to even more alarming scenarios. We underestimate the risk and ignore the fact that the planet is threatened with "sudden, unpredictable, and irreversible disaster," says Steve Chu, one of the world's leading climate and energy experts."