The selected areas are known for presenting high levels of aluminum, cadmium, copper, iron, lead and/or zinc.

Worm composts are not just for kitchen waste, since the bugs also happen to be good at absorbing heavy metals, according to a study by the International Journal of Environment and Waste Management. An earthworm […]

The Washington Post reports in a move reminiscent of the crackdown on lead in toys, more than a dozen major retailers including Target, Saks and Gap, are voluntarily halting sales of jewelry that contain more than trace levels of cadmium, a byproduct of zinc mining.