important dates in space exploration By sierra987655 1769 Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution. Franklin's will stipulated the construction of a fresh water pipeline for Philadelphia 1854 Henry David Thoreau published Walden Walden is a book by American transcendentalist writer Henry David Thoreau. The text is a reflection upon simple living in natural surroundings. 1866 The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel Ernst Heinrich Philipp August Haeckel was a German zoologist. 1872 The term acid rain is coined by Robert Angus Smith in the book Air and Rain he made the connection between the industrial pollution so rampant in the city at the time, and the acidity of the city's rainfall. 1903 The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution the term smog then appeared frequently in newspapers and journals because of the heavy air pollution in London and Los Angeles 1916 US Congress created the National Park Service The National Park Service is an agency that manages all national parks, most national monuments, and other natural, historical, and recreational properties Oct 4, 1957 first artificial earth satellite The first artificial satellite was Sputnik 1, first to successfully launch and enter Earth's orbit Nov 3, 1957 first animal launched into space A dog named Laika launched into space aboard the soviet spacecraft Sputnik 2 May 28, 1959 First animals to return ALIVE from space Two monkeys, Able and Baker, became the first 2 animals to return alive from space. They were launched by the US on a jupiter missile. Oct 7, 1959 First picture of far side of moon The first picture of the far side of the moon was taken on Luna 3 1960 Rachel Carson published Silent Spring The theme of Silent Spring is the powerful and often negative effect humans have on the natural world. Apr 12, 1961 first human to orbit Earth Yury Gagarin was the first human to orbit the Earth, this was accomplished on Vostok 1. Mar 18, 1963 first space walk Aleksey Leonov was the first human to leave the space capsule (of Voskhod 2) and float freely in orbit. His spacewalk lasted 12 minutes and 9 seconds Jun 16, 1963 First woman in space Valentina Tereshkova was the first woman in space, this was accomplished on Vostok 6. Apr 24, 1967 first death during a space mission Vladimir Komarov was the first death taken place during a space mission. This happened when Soyuz 1 crashed into Earth. 1968 The Apollo 8 picture of Earthrise It was a photo that showed humans a new perspective, with the moon in the foreground and Earth floating in distant space Jul 20, 1969 First man on the moon The first man to walk on the surface of the moon was Neil Armstrong on Apollo 11. Apr 22, 1970 First Earth Day Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established Apr 19, 1971 First space station launch The first space station launch was Salyut 1, accomplished by the Soviet union. 1989 Montreal Protocol on substances that deplete the ozone layer entered into force designed to stop the production and import of ozone depleting substances and reduce their concentration in the atmosphere to help protect the earth's ozone layer 1997 The Kyoto Protocol was negotiated in Kyoto, Japan in December, countries commit to reduce their emissions of carbon dioxide. 2001 U.S. rejects the Kyoto Protocol Bush argued the division between Annex 1 and developing countries was unfair, and that both countries needed to reduce their emissions unilaterally 2017 U.S. announces it will cease participation in the Paris Agreement on climate change mitigation Trump believed the agreement would "undermine" the U.S. economy, and put the U.S. "at a permanent disadvantage. Jan 20, 2021 U.S. announces it will rejoin the Paris Agreement on climate change mitigation on his first day in office, President Biden signed the instrument to bring the United States back into the Paris Agreement.