Silent Spring that this message first reached the public.

UNESCO: Intergovernmental Oceanographic Commission

Pre-preview announcements continue to pound home the message that our smartphones should be silent and dark while the movie plays.

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"My motivation was the message from Rachel Carson and her book Silent Spring, " recalls Jan-Gustav Strandenaes, one of the 10, 000 or so making up the Peoples' Forum.

BBC: Stockholm: Birth of the green generation

On a "silent patrol" the only communication the crew receives is a 40-word weekly message from home.

BBC: HMS Triumph: Life on board a Royal Navy submarine

Lorenz mentioned these four: Silent Sprint by Rachael Carlson , Collapse by Jared Diamond, 1984 by George Orwell, and Mutant Message Down Under by Marlo Morgan.

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