To mark Earth Day, climate scientist Kim Cobb joins CBS News meteorologist and climate specialist Jeff Berardelli to discuss the ongoing fight to reverse the effects of climate change. Cobb, a professor at the Georgia Institute of Technology, also shares what role global warming plays in spreading infectious diseases, including during the global coronavirus pandemic. Cobb says that both climate change and the coronavirus are public health crises that may pose a compounding threat to society.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.