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Rachel Carson, a marine biologist, published Silent Spring. A book in which she warned against the use of pesticides, saying that they poison every food that they were intended to protect.
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Gaylord Nelson, a senetor from Wisconsin, utilized the energy from the anti-war movement and transferred it to environmental protection. This day was celebrated for the first time with more than 20 million people participating.
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A law signed by Richard Nixon that was designed to help protect critally endangered species of living beings, including plants and animals.
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A team of British scientists reports that there is a hole in the ozone layer over the Antarctic.
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The first condor chick is born in captivity in California, raising new hope for the species' survival.
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One hundred million people from arounf the world participate in the celebration of this holiday.
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EPA focuses on reducing risks for all people and all types of pollution, noticing that there are many types of pollution affecting many people that the standard protection laws overlook.
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A student-led campaign delivers petition signed by 1.2 million people stating that every person has the right to live in a "safe and healthy environment".
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Audubon holds first every Great Backyard Bird Count in which 14,000 people get involved. Engages people of all expierence to learn and observe many different species of birds.
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Hudson River was polluted for many years with many species that once lived in the lake, were then extinct. The Hudson River Clean-up helped to restore the lake to its previous splendor.
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The Ivory-Billed Woodpecker, presumed extinct, is re-discovered in Cache-Lower White River National Wildlife Refugee in Arkansas.
