Environmentalist Quotes and aphorisms about being Greta Thunburg Greta Thunburg ,, The most common criticism I get is that I'm being manipulated and you shouldn't use children in pol... Greta Thunburg Paul Hawken Paul Hawken Paul Hawken Paul Hawken Paul Hawken ,, Class of 2009: you are going to have to figure out what it means to be a human being on Earth at a ... David R. Brower David R. Brower