The Environmental Protection Agency wonders at your confidence. The way they see it, when they check the levels of pollution in your average American urban home, they find that levels of air pollution are about twice as high indoors as they are outside. How does this happen, and what kind of air pollution solution will [...]

It is only about 5000 years old when people started copper smelting and toxic fumes, vapours and smoke started to infiltrate into the virgin environment. Metallurgical manufacture of iron sometime around 2000BC further coloured the blue sky. Industrial revolution some two centuries ago gave pollution a permanent seat. There has been an exponential rise in [...]

Acid rain was not a random problem anymore. More surprising was evidence that man himself was causing this menace to nature. The focus was now on trying to stop it. Acid rain is a worldwide problem. Countries with higher pollution emission are more affected. We only recently realized the great danger of acid rain. Its [...]