Winter in the Indian capital is a season of mists, minus the mellow fruitfulness. The air becomes charged with toxic emissions and particles that cannot disperse due to a meteorological phenomenon called "atmospheric inversion". According to B.P. Yadav, scientist with the meteorological department, atmospheric inversion is caused by a warming of the upper layers of the atmosphere, trapping colder air on the surface and, with it, vehicular and industrial emissions. "The immediate...

Every afternoon at about four, a slight woman named Runi slips out of the cramped, airless room that she shares with her husband and their sixteen children. She skirts the drainage ditch in front of the building, then walks toward the pile of hardened dung cakes that people in this slum on the edge of the northeastern Indian city of Patna use for fuel. Dressed in a bright-yellow sari shot...

Unfettered coal mining is causing unchecked underground fires that threaten human habitation and the environment, writes geologist Dr Nitish Priyadarshi. The haunting inscription that marks the gates of hell in Dante's Inferno could well be true for Jharkhand. For, the underground fires that have been raging in the coalfields of this state over several years are now beginning to engulf its thickly inhabited areas as well. An underground mine fire that has...

WITH the introduction of short-term, high-yielding varieties of cereal and oil-seed crops, the cropping intensity has now reached almost 300 per cent in Punjab. Moreover, the intensive use of chemical fertilisers, insecticides and pesticides involve greater use of scarce groundwater resources. The water table has gone down alarmingly resulting in huge investment on installation of costly submersible pumps to draw water for irrigation. This does not auger well for sustainable...

Hundreds of polluting industrial units in Delhi are set to close shop as the Delhi High Court on Wednesday sought strict compliance of the Supreme Court ruling on closure of such units in the M C Mehta case. The move would start with polluting units in Nangloi village, and the High Court gave the Delhi government four weeks for the clean-up act. A Division Bench of acting Chief Justice Madan...