David Brower (1912–2000), Petra Kelly (1947–92)


1892 The Sierra Club is founded in San Francisco, California, by the Scottish–American conservationist John Muir.

1958 Environmentalists protest against proposals for a nuclear power plant at Bodega Bay, California.


1970 On April 22, the first Earth Day is held across the US.

1972 Environmentalist candidates stand for election in Tasmania, New Zealand, and Switzerland.

1996 Ralph Nader stands as candidate for President of the US on the Green Party ticket.

The roots of the modern “green movement” developed in organizations established in the late 19th and early ...

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