Search results
Results from the WOW.Com Content Network
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.
Pesticides can enter the body through inhalation of aerosols, dust and vapor that contain pesticides; through oral exposure by consuming food/water; and through skin exposure by direct contact. [96] Pesticides secrete into soils and groundwater which can end up in drinking water, and pesticide spray can drift and pollute the air.
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.
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 ...
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 ...
For premium support please call: 800-290-4726 more ways to reach us
From 1650 to 1850, the global population doubled from around 500 million to 1 billion people. [26] Concerns about the environmental and social impacts of industry were expressed by some Enlightenment political economists and through the Romantic movement of the 1800s.