A top climate scientist resigned from the Agriculture Department this month. Lewis Ziska says the USDA buried his research. He's one in a line of researchers who've left the federal government because they claim the administration is censoring climate science.

Today, nuclear plants provide 20% of US power generation. But according to a report last year by the non-profit Union of Concerned Scientists, of the 99 nuclear reactors nationwide, owners have shut down six in recent years. Seven more are slated for retirement. In the age of climate change, the Union’s director of energy research and analysis, Steve Clemmer, doesn’t want the demise of this carbon-free power source. In this episode, we talk with him about his report, The Nuclear Dilemma.