With the construction of the multipurpose Hirakud Dam across the River Mahanadi in India, multipupose river valley projects emerge in India.
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The American forestry scientist and wildlife researcher Aldo Leopold publishes his book A Sand County Almanac.
One of the largest fire disasters in Australian history, the 1939 bushfires devastate large parts of Victoria.
Charles Darwin describes the evolution of the species through natural selection.
At the Gothenburg Summit in 2001, the European Council agreed upon a sustainability strategy for the European Union.
On 1 January 1970, US President Nixon signs the National Environmental Policy Act (NEPA).
Union Internationale des Architectes meets in 1993, paving the way for sustainable construction.
Thomas Edison produces his first long-lasting light bulb.
The ministry functions as the central state administrative authority and highest inspection authority in environmental affairs.
Pope John Paul II and Ecumenical Patriarch Bartholomew of Constantinople call for a “conservation of Creation.”