In late April, the Trump administration told hundreds of scientists and experts that they were no longer needed to compile the next national climate assessment, a flagship report mandated by Congress to catalog the ways climate change affects the country. John Yang speaks with Elizabeth Koebele, an associate professor at the University of Nevada, Reno, who was among the recipients of that message. PBS News is supported by - https://www.pbs.org/newshour/about/funders