Environmentalist Quotes and aphorisms about any John Muir John Muir ,, Bread without flesh is a good diet, as on many botanical excursions I have proved. Tea also may eas... John Muir John Muir John Muir Aldo Leopold Greta Thunburg Paul Hawken Paul Hawken ,, I doubt very much that the chief executives of any of the Fortune 500 corporations can name five ed... Luther Burbank