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1973 in the environment
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1973 the environment
This is a list of notable events relating to the environment in 1973. They relate to environmental law, conservation, environmentalism and environmental issues.
Events
E. F. Schumacher publishes Small Is Beautiful.
Jacques Cousteau founds the Cousteau Society.
A number of protected areas were established in 1973, including the Essex Region of Western Ontario, Canada.ERCA - Essex Region Conservation Authority - Nature Education in Windsor / Essex https://www.essexregionconservation.ca/ 2025-12-06 ERCA en
March
World Conservation Union (IUCN) meeting drafts the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which starts being signed on 3 March 1973.
Summer
Several thousand pounds of polybrominated biphenyls were accidentally mixed with livestock feed that was distributed to farms in Michigan, because the plant also produced a feed precursor ingredient, magnesium oxide, which was sold to the feed manufacturer.Carter, Luther J Michigan's PBB incident: Chemical Mix-Up Leads to Disaster Science 192 240–243 1976-04-16 10.1126/science.192.4236.240 17831151 4236 Adverse reproductive-system effects continued 40 years later to be found in the grandchildren of those who consumed tainted farm products.http://michiganradio.org/post/40-years-after-toxic-mix-researchers-continue-study-michiganders-poisoned-pbb Rebecca Williams 40 years after toxic mix-up, researchers continue to study Michiganders poisoned by PBB Michigan Public Media, The Regents of the University of Michigan 2014 2014-11-13
August
The snail darter controversy delayed the construction of the Tellico Dam on the Little Tennessee River in the United States when the snail darter fish was discovered in the river.
An earthquake of 7.1 magnitude strikes Veracruz, Mexico on August 28, causing extensive damage to buildings and the environment, killing at least 600 people.Cliff Frohlich Deep earthquakes 479 Cambridge University Press 2006 978-0-521-82869-7 https://books.google.com/books?id=-lZGdmBwSPkC&pg=PA479 July 25, 2025
November
The International Agreement on the Conservation of Polar Bears was signed in Oslo, Norway.
December
The Endangered Species Act was signed into law in the United States by President Richard Nixon.United States. Endangered Species Act of 1973. 93 205 Approved 1973-12-27. This mandated the first Habitat Conservation Plans.
See also
Environment
Human impact on the environment
List of environmental issues
List of years in the environment
References