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  2. Environmental movement - Wikipedia

    en.wikipedia.org/wiki/Environmental_movement

    In the 20th century, environmental ideas continued to grow in popularity and recognition. Efforts were beginning to be made to save wildlife, particularly the American bison . The death of the last passenger pigeon as well as the endangerment of the American bison helped to focus the minds of conservationists and popularize their concerns.

  3. Green Revolution - Wikipedia

    en.wikipedia.org/wiki/Green_Revolution

    The Green Revolution, or the Third Agricultural Revolution, was a period of technology transfer initiatives that saw greatly increased crop yields. [ 1 ] [ 2 ] These changes in agriculture began in developed countries in the early 20th century and spread globally until the late 1980s. [ 3 ]

  4. Norman Borlaug - Wikipedia

    en.wikipedia.org/wiki/Norman_Borlaug

    Norman Ernest Borlaug (/ ˈ b ɔːr l ɔː ɡ /; March 25, 1914 – September 12, 2009) [2] was an American agronomist who led initiatives worldwide that contributed to the extensive increases in agricultural production termed the Green Revolution.

  5. Environmental history - Wikipedia

    en.wikipedia.org/wiki/Environmental_history

    In 1967, Roderick Nash published Wilderness and the American Mind, a work that has become a classic text of early environmental history.In an address to the Organization of American Historians in 1969 (published in 1970) Nash used the expression "environmental history", [4] although 1972 is generally taken as the date when the term was first coined. [5]

  6. Category:20th-century revolutions - Wikipedia

    en.wikipedia.org/wiki/Category:20th-century...

    17 July Revolution; 5 October 1910 revolution; 1911 Revolution; 28 May 1926 coup d'état; 1932 Trujillo Revolution; 1936–1939 Arab revolt in Palestine; 14 July Revolution; 1962 Burmese coup d'état; 1965 Algerian coup d'état; 1969 Libyan revolution; 1973 Afghan coup d'état; 1987 Tunisian coup d'état

  7. 20th century - Wikipedia

    en.wikipedia.org/wiki/20th_century

    The 20th century began on 1 January 1901 (MCMI), and ended on 31 December 2000 (MM). [1] [2] It was the 10th and last century of the 2nd millennium and was marked by new models of scientific understanding, unprecedented scopes of warfare, new modes of communication that would operate at nearly instant speeds, and new forms of art and entertainment.

  8. California's 20th century power grid isn't ready for 100% ...

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  9. Timeline of history of environmentalism - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_history_of...

    The program leads to the Green Revolution. — Wilderness Act. — United States Postal Service releases John Muir stamp. 1965 — In the Storm King case, a judge rules that aesthetic impacts could be considered in deciding whether Consolidated Edison could demolish a mountain, a landmark case in environmental law. — Northeast Blackout of 1965