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 — 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

April 1
Wangari Maathai, Kenyan Conservationist, Born (1940)
April 2
Maria Sibylla Merian, German Entomologist, Born (1647)
April 3
Jane Goodall, Chimpanzee Researcher, Born (1934)
April 4
“The Good Life” Begins Airing (1975)
April 5
Civilian Conservation Corps (CCC) Created (1933)
April 6
American Museum of Natural History Founded (1869)
April 7
World Health Day
April 8
A Tribute to the Endangered Species Act
April 9
Jim Fowler, “Wild Kingdom” Co-host, Born (1932)
April 10
Arbor Day First Celebrated (1872)
April 11
Ian Redmond, Primatologist, Born (1954)
April 12
Arches National Monument Created (1929)
April 13
First Elephant Arrives in U.S. (1796)
April 14
Black Sunday Dust Storm (1935)
April 15
Nikolaas Tinbergen, Animal Behaviorist, Born (1907)
April 16
Ling-Ling and Hsing-Hsing Arrive in U.S. (1972)
April 17
Ford Mustang Introduced (1964)
April 18
Natural History Museum, London, Opened (1881)
April 19
E. Lucy Braun, Plant Ecologist, Born (1889)
April 20
Gro Harlem Brundtland, Godmother of Sustainable Development, Born (1939)
April 21
John Muir, Father of American Conservation, Born (1838)
April 22
The First Earth Day (1970)
April 23
World Book Day
April 24
Tomitaro Makino, Father of Japanese Botany, Born (1862)
April 25
Theodore Roosevelt National Park Established (1947)
April 26
John James Audubon Born (1785)
April 27
Soil Conservation Service Created (1935)
April 28
Chernobyl Nuclear Accident Announced (1986)
April 29
Dancing with Nature’s Stars
April 29
Emmeline Moore, Pioneering Fisheries Scientist, Born (1872)
April 30
First State Hunting License Fee Enacted (1864)
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