Water lilies or nymphea can restore the purity of polluted rivers and other water sources. They can treat wastewater of residential as well as industrial areas, said scientists working at Hebrew

russia and other countries of the Commonwealth of Independent States ( cis ) are working with the United Nations Environment Programme ( unep ) to dispose of toxic wastes in an

As any sensible invader, virulent bacteria ensure that there are enough of them before they attack

as the mighty river Rhone surges through eastern France, water shortage is far from anyone's mind living on the banks of the river. Along its 500-mile route, it is fed by many tributaries

increasing water shortages in the world may lead to global hunger, civil unrest and even war, according to a new study by Sandra Postel, director of the Global Water Policy Project and senior

A bacterium found in water wells causes ulcers