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1769 — Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution. -
Henry David Thoreau publishes Walden -
The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel -
The term acid rain is coined by Robert Angus Smith in the book Air and Rain -
The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution -
US Congress created the National Park Service -
first dog in space got sent and never came back -
a dog was finally able to make it back safe -
first launch of satellites -
far side of the moon is the lunar hemisphere -
In 1962, biologist Rachel Carson published Silent Spring. The novel remains one of the most influential books of the environmental movement. Carson documents the harmful effects of pesticides in the food chains. -
got back from another planet -
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Russian cosmonaut Alexei Leonov carried out the first-ever spacewalk from the two-man Voskhod spacecraft -
the first person to orbit the moon is john glenn -
On Christmas Eve in 1968, William Anders, aboard the Apollo 8 spacecraft, turned his camera toward Earth and captured a photo that's now legendary -
Earth Day was first observed on April 22, 1970, when an estimated 20 million people nationwide attended the inaugural events at tens of thousands of sites including elementary and secondary schools, universities, and community sites across the United States. -
The Kyoto Protocol is an international treaty adopted in 1997 that aimed to reduce the emission of gases that contribute to global warming. -
The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. -
Assembly of the ISS began with the launch of its first module, Zarya, on a Proton rocket from Baikonur. The ISS is the largest artificial body in space. The station has been continuously occupied since November 2000. In that time, -
Dennis Tito, a billionaire businessman from California, became the first paying passenger to go to outer space. -
ush administration Similar objections to the Kyoto Protocol were why the Bush administration refused to sign. They argued the division between Annex 1 and developing countries was unfair, and that both countries needed to reduce their emissions unilaterally -
On June 1, 2017, United States President Donald Trump announced that the U.S. would cease all participation in the 2015 Paris Agreement on climate change mitigation, contending that the agreement would "undermine" the U.S. economy, and put the U.S. "at a permanent disadvantage -
The United States on Friday officially rejoined the Paris Agreement on climate change designed to limit global warming and avoid its potentially catastrophic impacts.