Record-high temperatures at both the North Pole and South Pole have alarmed scientists who say we are potentially facing a dramatic new phase of climate change. In March, the Arctic saw temperatures hit 30 degrees Celsius (50 degrees Fahrenheit) above the average, while in Antarctica, temperatures reached a whopping 40 degrees Celsius (almost 70 degrees Fahrenheit) more than the normal figures. Some scientists have linked warming at the poles to the increase in extreme weather events around the world. What do these figures tell us, and what can be done?
Guests: Li Xiang, associate professor, Institute of Energy, Peking University; Thomas Patrick Gehl, president, ChildWise International Corporation and environmental advisor to former U.S. President Bill Clinton
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