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in 1804 the human population was 1B
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in 1927 the human population was 2B
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The Minamata disaster was a case of severe mercury poisoning in Minamata, Japan, starting in the 1950s, caused by Chisso Corporation’s discharge of methylmercury-contaminated wastewater.
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in 1960 the human population was 3B
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Rachel Carson’s book Silent Spring was published on September 27, 1962.
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The 1972 United Nations Conference on the Human Environment in Stockholm was the first world conference to make the environment a major issue.
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In 1973, the endangered species act (ESA) provides a program for the conservation of threatened and endangered plants and animals.
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in 1974 the human population was 4B
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On December 3 1984, more than 40 tons of methyl isocyanate gas leaked from a pesticide plant in Bhopal, India, immediately killing at least 3,800 people.
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The Chernobyl meltdown/accident in 1986 was the result of a flawed reactor design that was operated with inadequately trained personnel.
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On September 16, 1987, The Montreal Protocol in Substances that deplete the Ozone Layer is the landmark multilateral environmental agreement that regulates production.
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the human population in 1987 was 5B
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The Kyoto Protocol was adopted on December 11, 1997. Owing to a complex ratification process, it entered into force on February 16, 2005.
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Love Canal is an aborted canal project branching off the Niagara River about four miles south of Niagara Falls in 1977-1998.
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in 1999 the human population was 6B
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An Inconvenient Truth is a 2006 American documentary film.
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in 2011 the human population was 7B
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in 2022 the human population was 8B
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Today the human is 8.2B