December

December 1 — William Temple Hornaday Born (1937)

December 2 — International Whaling Commission Created (1946)

December 3 — Ellen Swallow Richards, Pioneering Environmental Chemist, Born (1842)

December 4 — Eastern Steller Sea Lion De-listed (2013)

December 5 —  World Soil Day

December 6 — Eliot Porter Born (1901)

December 7 — Beijing Issues First Red Alert for Air Pollution (2015)

December 8 — American Bird Banding Association Formed (1909)

December 9 — Wupatki National Monument Created (1924)

December 10 — Olivier Messiaen Born (1908)

December 11 — International Mountain Day

December 12 — Paris Climate Agreement Adopted (2015)

December 13 — Baiji Porpoise Declared Extinct (2006)

December 14 — World Monkey Day

December 15 — Chico Mendes Born (1944)

December 16 — Carol Browner, 8th EPA Administrator, Born (1955)

December 17 — Alexander Agassiz, Pioneering Oceanographer, Born (1835)

December 18 — First Commercial Nuclear Energy Produced (1957)

December 19 — Richard Leakey, Kenyan Conservationist, Born (1944)

December 20 — Earliest Date for Winter Solstice

December 20 — “It’s A Wonderful Life” Released (1946)

December 21 — Dr. Robert Bullard, Father of Environmental Justice, Born (1946)

December 21 — Trevor Kincaid Born (1872)

December 22 — Ruth Yeoh, Malaysian Environmentalist, Born (1982)

December 22 — Lady Bird Johnson, Environmental First Lady, Born (1912)

December 23 — Times Beach, Missouri, Declared Uninhabitable (1982)

December 24 — The Christmas Tree

December 25 — European Rabbits Introduced to Australia (1859)

December 26 — UN Convention to Combat Desertification Began (1996)

December 27 — Second Voyage of the Beagle Began (1831)

December 28 — Endangered Species Act Enacted (1973)

December 29 — Convention on Biological Diversity Began (1993)

December 30 — Six Geese A-Laying

December 31 — John Denver, Singer-Songwriter and Conservationist, Born (1943)

This Month in Conservation

October 1
Yosemite National Park Created (1890)
October 2
San Diego Zoo Founded (1916)
October 3
James Herriot, English Veterinarian, Born (1916)
October 4
Feast Day of St. Francis of Assisi, Patron Saint of Ecology
October 5
Catherine Cooper Hopley, British Herpetologist, Born (1817)
October 6
Mad Hatter’s Day
October 7
Henry A. Wallace, Secretary of Agriculture, Born (1888)
October 8
World Octopus Day
October 9
Vajont Dam Disaster (1963)
October 10
Dnieper Dam Began Operation (1932)
October 11
Big Cypress and Big Thicket National Preserves Created (1974)
October 12
William Laurance, Tropical Conservationist, Born (1957)
October 13
International Day for Disaster Risk Reduction
October 14
Timpanogos Cave National Monument Created (1922)
October 14
Dr. Mamie Parker, Pioneering African American Fisheries Scientist and Leader, Born (1957)
October 15
Isabella Bird, Pioneering Eco-traveler, Born (1831)
October 16
World Food Day
October 17
Oliver Rackham born (1939)
October 18
Clean Water Act established (1972)
October 19
Research Vessel Albatross Launched (1882)
October 20
OPEC Oil Embargo (1973)
October 21
“Ding” Darling born (1876)
October 22
Wombat Day
October 23
Cumberland Island National Seashore established (1972)
October 24
Antoni von Leeuwenhoek born (1632)
October 25
Secretary of the Interior Convicted in Teapot Dome Scandal (1929)
October 26
Erie Canal Opens (1825)
October 27
Golden Gate and Gateway National Recreation Areas Created (1972)
October 28
Henry Mosby, Wild Turkey Biologist, Born (1913)
October 28
First Ticker-tape Parade Held (1886)
October 29
Stanley Park, Vancouver, Dedicated (1889)
October 30
UNESCO Designates 9 Natural World Heritage Sites (1981)
October 31
Lincoln Highway Dedicated (1913)
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