-The Economic Times CHENNAI: Scientists of IIT-Kanpur have thrown the kitchen sink at a high-tech solution to a messy problem: How to keep the world's largest railway network clean and prevent corrosion of lines when train toilets unload waste directly on the tracks. Bio-toilets developed by the Indian Railways and Defence Research and Development Organization have earned praise from Prime Minister Manmohan Singh, but IIT scientists say they are neither environment-friendly nor...

-The Times of India The Supreme Court on Monday sought the Centre's response to a radical plea for collection of 25% of the cost of a diesel car or SUV sold in the National Capital Region as green tax at the time of its purchase to deter people from buying more polluting personal vehicles and help fight the growing levels of pollution in Delhi. The court also sought the Union government's response...

-The Times of India CHANDIGARH: Tired of avoiding a visit to Indian Railways toilets reeking with a nauseating stench? Get ready to excuse yourself into natty and fanciful washrooms fitted with airplane-like vacuum toilets. New railway minister Pawan Kumar Bansal, who hails from Chandigarh -- one of the cleanest cities of India -- has put the new aviation style engineering design for railways on a fast track. "We have identified some 55 cities...

-The Times of India The cost of air-conditioners and refrigerators could go up considerably starting next summer if the US and other rich countries force a decision at the UN climate talks in November at Doha, to order a global ban on existing refrigerant gases and replace them with costly though relatively more climate-friendly alternatives. One of the alternatives being proposed is produced jointly by DuPont and Honeywell, two US-based multinationals, and...

Since early November, Delhi and large parts of North India have been enveloped in a thick, grey smog, sparking concerns and a debate on what is leading to the rising levels of air pollution. A January 2012 paper by Ridhima Gupta from the Indian Statistical Institute, Delhi is drawing linkages between the quality of air in the capital and agricultural practices during harvest season on farms in the neighbouring state...