California, USA, is planning to introduce a toilet-to-tap programme to solve the prevailing water shortage problem in the state. The planned project will include a three-year trial period during
With falling sales, lawsuits and stringent measures in developed countries, tobacco companies have shifted their focus to developing countries. In 1998, tobacco firms spent US $10 billion in
Researchers in the us have found out that the nitrate in snow interacts with sunlight and sets off a very rapid series of photochemical reactions, producing oxides of nitrogen (no x ). "We found