What is air pollution? http://eschooltoday.com/pollution/air-pollution/what-is-air-pollution.html Air pollution (say: po-loo-shun) occurs when gases, dust particles, fumes (or smoke) or odour are introduced into the atmosphere in a way that makes it…
Global dimming https://en.wikipedia.org/wiki/Global_dimming From Wikipedia, the free encyclopedia Dozens of fires burning on the surface (red dots) and a thick pall of smoke and haze (greyish pixels) filling the skies…
Air pollution http://en.wikipedia.org/wiki/Air_pollution From Wikipedia, the free encyclopedia Air pollution is the introduction of particulates, biological molecules, or other harmful materials into the Earth’s atmosphere, possibly causing disease, death to humans, damage to other…