Edward Parsons on KCRW PressPlay—World must halve CO2 emissions in 7 years to avoid catastrophe

The planet is approaching catastrophic levels of global warming and irreversible damage within the next decade, according to the most definitive report released by the United Nations Intergovernmental Panel on Climate Change. To avoid calamity, the U.N. says, the world needs to collectively cut emissions in half by 2030.