MNN Galleries

The 10 worst forms of pollution

By: Bryan Nelson on July 7, 2010, 1:05 p.m.
Long stretches of plastic debris washed up on a beach

Photo: rey perezoso/Flickr [CC by SA-2.0]

1 of 12

Nature's imbalance

For everything we take from the Earth, there is a byproduct or consequence. Perhaps pollution is a symptom of nature's imbalance. Some people reap from the Earth, but countless others become sick, displaced or harmed due to the resulting pollution — affecting wildlife and more. On the off chance that a guilty conscience is an unknown symptom of overexploitation, here's a list of the 10 worst forms of pollution and their effects on humans. (Text: Bryan Nelson)