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
Forests are the planet's largest and most important ecosystems. They exert a profound influence on the structure and function of the human habitat locally and globally
About 110,000 litres (24,200 gallons) of diesel oil was spilled after two tankers collided near southern Ho Chi Minh City in Vietnam, an official from the city's environment department said. The