On April 22nd, 1970, a single senator — furious after watching an oil spill kill ten thousand seabirds — convinced twenty million Americans to take to the streets. Within a year, the US had the Environmental Protection Agency, the Clean Air Act, and a new word: environmentalist. This EFL/ESL vocabulary pack uses the real, surprising origin story of Earth Day to teach nine essential eco-vocabulary items, five nature idioms, five environmental fixed phrases, and systematic word building — through