The Ossining Documentary & Discussion Series will screen “A Fierce Green Fire” on Thursday, April 20th at 6:30 at the Ossining Public Library. “A Fierce Green Fire” is the first big-picture exploration of the environmental movement, spanning fifty years of activism from land conservation to climate change. It chronicles the origins of environmentalism and focuses on activism, celebrating people fighting to save their homes, their lives and their future. For more information, visit https://www.facebook.com/ossiningdocumentaries/.