May 12, 2018 - James Hansen's 'I told you so', elephant earthquakes and third-hand smoke

Also digging into Mars, New Brunswick floods and health risks and could humans get heartworm?
Emissions spew from a large stack at the coal fired Brandon Shores Power Plant, on March 9, 2018 in Baltimore, Maryland. Last year the Environmental Protection Agency (EPA), announced that it would repeal President Obama's policy on curbing greenhouse gas emissions from coal fired power plants. (Mark Wilson/Getty Images )
Listen to the full episode53:45