Rapidly expanding populations in developing nations result in an overwhelming amount of solid and organic waste. In many of these small, struggling nations, there are few or no managed landfills. Much of the waste is simply dumped on the ground near the edge of town. These open air garbage dumps put people at risk for disease and pollute the environment.
In many cases, solid waste leaches heavy metals, cadmium, copper, lead, manganese, and zinc into the soil and water. Now, tesearchers at India’s Pondicherry University think that wriggling pink earthworms may be the secret to affordable bioremediation of these contaminated sites. How? By doing exactly what they do in your home compost pile.
Read more: http://www.care2.com/causes/lowly-earthworm-sucks-toxins-from-poisoned-soil.html#ixzz24a6SiuSa