During the three “great hunger years,” 270,000 people die.
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The United Nations declares basic development goals to be met by 2015.
In light of the dramatic decline in whale populations, whaling nations found the International Whaling Commission (IWC).
Approximately 12,000 people die as a result of the worst air pollution event in the history of the United Kingdom.
The German state regulates conservation for the first time 1935.
Egon Glesinger publishes his study on the global importance of wood as a raw material.
The International Union for Conservation of Nature and Natural Resources (IUCN) is founded. Today, it is considered the world’s largest conservation organization.
Pakistan’s Kalabagh Dam Project is constructed and becomes highly contested as it develops from an irrigation project into a major effort to generate hydroelectric power.
The first international conference on global biosphere protection by UNESCO takes place in Paris in 1968.
German physicist Albert Einstein explains the photoelectric effect.