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Make a difference in the challenge to confront global warming and prevent nuclear war and the development and use of nuclear weapons.

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The 70th anniversary of the bombings of Hiroshima and Nagasaki will be Aug 6 and 9. Write a letter to the editor or join a social media Thunderclap to support disarmament.

PSR Comments on NAAQs Standards on Particulate Matter

PSR’s comments submitted to the U.S. Environmental Protection Agency on the proposed changes in the National Ambient Air Quality Standards NAAQS for particulate matter (PM).

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