(par 7.4.2.1.3) Ozone depletion (taken from Wikipedia)

Ozone depletion http://en.wikipedia.org/wiki/Ozone_depletion From Wikipedia, the free encyclopedia Image of the largest Antarctic ozone hole ever recorded (September 2006), over the Southern pole Ozone depletion describes two distinct but related phenomena observed since…

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(par 7.4.2.1.3) 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…

Continue Reading(par 7.4.2.1.3) Johannesburg’s Appalling Air Quality – Sasol and Eskom