Keith is a nationally known environmental journalist, online communications specialist, and environmental policy expert. His reporting is featured in major mainstream news organizations and nonprofit public interest news desks across the U.S. and around the world. He also manages story development for Circle of Blue, where he developed the Global Choke Point project to report on the intensifying confrontation between water, food, and energy on six continents. In 2022 he developed expertise on the national scandal of farm nutrient pollution and in 2023 was awarded an investigative reporting fellowship by the Alicia Patterson Foundation to pursue the story. Keith holds a BA from Haverford College.