The World Economic Forum announced that there will be more plastic than fish in our oceans by as early as 2050.
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In San Diego, California, SeaWorld announced that it would phase out its orca shows following protests.
The UN reported that one million plant and animal species were at risk of extinction.
Julius Wolff supplied the first canned sardines from Maine, USA.
President Richard Nixon signed the US Endangered Species Act into law.
The famous elephant called Topsy was executed at Luna Park, Coney Island, in New York.
