Enviromental Sciences - DB By dhruvbohra Nov 17, 1830 World Population Reaches 1 Billion Nov 17, 1864 Yosemite (California) becomes the first state park Nov 17, 1872 Yellowstone (Wyoming) becomes first national park Nov 17, 1902 U.S. Department of Reclamation established Nov 17, 1914 Martha, the last passenger Pigeon, dies in the Cincinnati zoo Nov 17, 1946 U.S. National Park Service Established Nov 17, 1954 U.S. National Humane Society Nov 17, 1963 The First Clean Air Act established Nov 17, 1966 Supertanker spills off of coast of England Nov 17, 1970 First Earth day Nov 17, 1970 EPA (Enviromental Protection Agencey) created Nov 17, 1980 Mt. St. Helens blows with the force of over 500 Hiroshima-sized bombs Nov 17, 1985 First significant ozone hole observed over Antartica Nov 17, 1987 five billion people in the world Nov 17, 1988 Ocean Dumpeing ban act is initiated Nov 17, 1992 Mexico City, Mexico shits down due to high air pollution levels Nov 17, 1997 5 million square km burnt down because of wild fires Nov 17, 1999 6 billion people in the world Nov 17, 2001 War on Terrorisim Nov 17, 2010 Gulf Spill - BP