When he first ran for President, Donald Trump was called the “chaos candidate”. And to bitter end, that has been borne out. But another kind of radical change has happened over the last four years, often out of the headlines.  So, for our last episode, we take stock of the past four years. 

There have been a number of changes in how the EPA, under President Trump, uses science. It has come with much criticism, including from former EPA officials. On this episode, we hear from a veteran EPA scientist on what drove him to leave the Trump Administration. Chris Zarba worked at the EPA for close to four decades. He was an official in the administrator's office of the agency and also directed the Agency’s Science Advisory Board Staff Office.

The outgoing president has a few orders of business he’d like to take care of before January 20. 

Among them is a controversial plan to drill for oil in the country’s largest stretch of untouched wilderness. The Arctic National Wildlife Refuge is 20 million acres of mountains, tundra and coast lands. Underneath it, there are billions of barrels of oil. Similar plans have sparked fights for decades, so why the Trump administration push to drill there now? 

Our guest for this episode is Tegan Hanlon, a public radio reporter for Alaska’s Energy Desk in Anchorage.