Pictures
Edward Teller, the father of the hydrogen bomb and one of the few physicist of the Manhattan project who didn’t discourage the use of nuclear weapons.
Image under Public Domain via Wikimedia Commons
The logo of the Strategic Defense Initiative satirically labeled as “Star Wars”.
Image under Public Domain via Wikimedia Commons
President Ronald Reagan and Soviet Union General Secretary Mikhail Gorbachev in 1986.
Image under Public Domain via Wikimedia Commons
Smokestacks at an unknown location.
Image under Public Domain via Max Pixel
Ronald Reagan and Nancy Reagan waving from the limousine during the Inaugural Parade in Washington, D.C. on Inauguration Day, 1981.
Image under Public Domain via Wikimedia Commons
Levels of ozone at various altitudes, and its blocking effects on different types of ultraviolet radiation
Image under Public Domain via Wikimedia Commons
Ozone concentrations above Antarctica on October 2nd, 2015
Image under Public Domain via NASA
Smoke from cigarettes which are sitting around contains more toxins than smoke inhaled by smoking
Image under Public Domain via Max Pixel
More summaries here