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Zyklon B (German: [tsyˈkloːn ˈbeː] ⓘ; translated Cyclone B) was the trade name of a cyanide-based pesticide invented in Germany in the early 1920s. It consists of hydrogen cyanide (prussic acid), as well as a cautionary eye irritant and one of several adsorbents such as diatomaceous earth .
Arthur Rothstein's Farmer and Sons Walking in the Face of a Dust Storm, a Resettlement Administration photograph taken in Cimarron County, Oklahoma, in April 1936. The Dust Bowl was the result of a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s.
In New Zealand in the 1930s, farmers reportedly had trouble with exploding trousers as a result of attempts to control ragwort, an agricultural weed. [1] Farmers had been spraying sodium chlorate, a government recommended weedkiller, onto the ragwort, and some of the spray had ended up on their clothes. Sodium chlorate is a strong oxidizing ...
The Deutsche Gesellschaft für Schädlingsbekämpfung mbH (transl. German Corporation for Pest Control), oft shortened to Degesch, was a German chemical corporation which manufactured pesticides. Degesch held the patent on the infamous pesticide Zyklon, a variant of which was used to execute people in the gas chambers of German extermination ...
Nine killed by apple cider contaminated by a pesticide. [2] 1930, United States. Jake Leg poisoning. 1936, Japan. A massive food poisoning incident occurred when many prepackaged rice cakes, manufactured by Miyoshino confectionery shop, were supplied to Hamamatsu First Junior High School. On May 11, 2,072 people were afflicted, resulting in 47 ...
The world's population had doubled by 1923 and doubled again by 1973 without fulfilling Malthus's prediction. Malthusian Paul R. Ehrlich, in his 1968 book The Population Bomb, said that "India couldn't possibly feed two hundred million more people by 1980" and "Hundreds of millions of people will starve to death in spite of any crash programs."
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1970 — Earth Day – April 22., millions of people gather in the United States for the first Earth Day organized by Gaylord Nelson, former senator of Wisconsin, and Denis Hayes, Harvard graduate student. — US Environmental Protection Agency established. — Francis A. Schaeffer publishes Pollution and the Death of Man.