Monthly Archives: May 2008

Rain Water Harvesting

Posted on May 10, 2008 by Rashid Faridi

Traditionally rain water has been one of the few water sources known to usually be clean and safe to drink. Today water harvesters must be wary of pesticide contamination, high mineral levels, bacteria and other impurities in their runoff water. … Continue reading →

Posted in water | 1 Comment

Amazon doomed by too much clean air

Posted on May 10, 2008 by Rashid Faridi

The lungs of the planet – the Amazon – could be wiped out within half a century as a result of too much clean air, writes Roger Highfield. The vast rainforest, so crucial to the Earth’s climate, is coming under … Continue reading →

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Acid Rain : Causes, Effects and Solutions

Posted on May 10, 2008 by Rashid Faridi

What is Acid Rain and What Causes It? “Acid rain” is a broad term used to describe several ways that acids fall out of the atmosphere. A more precise term is acid deposition, which has two parts: wet and dry. … Continue reading →

Posted in Environment | 29 Comments

Smog

Posted on May 9, 2008 by Rashid Faridi

The term smog was first used in 1905 by Dr H A Des Voeux to describe the conditions of fog that had soot or smoke in it. Smog is a combination of various gases with water vapour and dust. A … Continue reading →