A division bench of the Supreme Court issued notices to about 8,712 industries in 28 industrial areas of Delhi which have not set up common effluent treatment plants. They now face the threat of

THE WORLD'S first full-scale experiment to clean up municipal sewage with a reactor full of algae has recently started near Nottingham in the UK (New Scientist, Vol 140, No 1893). The reactor or

The increasing pressure on the West Bengal government to clean up industrial pollution in the state has forced it to seek Japanese aid. Japanese experts will help the state government set up effluent

SORTING out similar types of plastics from waste may now be possible through a system based on the different ways various plastics reflect a near-infrared light (Environmental Science and Technology,