Libby Jewett founded the U.S. ocean acidification program and had begun work on offshore wind energy. But she joined the past year’s historic exodus from the agency, the impacts of which are still not clear.By Marianne LavelleAfter spending the first 16 years of her federal government career focused on the impacts of climate change, Libby Jewett hoped to wrap up her time at the National Oceanic and Atmospheric Administration working on solutions.