News tagged with heavy metal

Herbal defluoridation of drinking water

Researchers in India have developed a filter system based on a medicinal herb, which they say can quickly and easily remove "fluoride" from drinking water. The technology described in the March issue of the International Jo ...

Mar 05, 2013 5 / 5 (4) 0

Designing a cleaner future

A slum on the outskirts of Accra, Ghana, received major media attention in 2010 and 2011 when the outside world realized where computers go to die. In an area called Agbogbloshie, impoverished residents were ...

Jul 02, 2013 4.8 / 5 (4) 0