(par 7.4.2.1.1) Smog (taken from Wikipedia)
Smog http://en.wikipedia.org/wiki/Smog Smog in New York City as viewed from the World Trade Center in 1988 German road sign until 2008,Verkehrsverbot bei Smog (No traffic allowed in smog conditions) Smog is a type of air pollutant. The word “smog” was made in the early 20th century as a portmanteau of the words smoke and fog to refer to smoky fog.[1] The word was then intended to refer to what was sometimes […]
(par 7.4.2.1.1) Johannesburg’s Appalling Air Quality – Sasol and Eskom
South Africa: Johannesburg’s Appalling Air Quality – We Can’t Let Sasol and Eskom Off the Hook http://allafrica.com/stories/201408191058.html?viewall=1 Analysis By Glenn Ashton The air in the interior of South Africa is amongst some of the most polluted in the world. It is killing our people. We see photographs and reports of air pollution in China and […]
(par 7.4.2.1.1) All about theOzone
Introduction: All about Ozone http://eschooltoday.com/ozone-depletion/ozone-information-for-children.html Like other environmental problems, Ozone Depletion is one that is very troubling, and rightly so, considered as a major environmental issue by all nations on the earth. Have you ever felt the sun’s intensity ripping through your skin on a hot afternoon? Probably so. But the sun is no where […]