The latest UN environment report based on about 400 major peer-reviewed scientific studies over three years has warned that the threat of climate change could be much worse than predicted earlier. The UNEP Climate Change Science Compendium 2009 report warns that sea levels could rise by up to two metres by 2100 and five to ten times that over following centuries. (See salient features and links below) It says that the...

Intergovernmental Panel on Climate Change (IPCC) chief Rajendra Pachauri has said that drastic cuts in carbon emissions may not be sufficient to avoid the worst ravages of global warming and the world will need to suck carbon from the atmosphere to avert permanent damage to the climate. According to a report in The Times, Dr Pachauri proposed that new techniques should be applied to help to mop up atmospheric levels of...

Without crop varieties adapting to extremes of weather, feeding world population will be difficult Shortage of water resources will be one of the greatest problems NEW DELHI: “The threat of climate change and its impact on agriculture is real. We have evidence that by 2025 in some parts of the world including India, parts of Asia and parts of Africa, crop yields will drop from anything between 20 and 40 per cent...

It does seem that Environment Minister Jairam Ramesh chose an inopportune time — the eve of the crucial UN climate negotiations — to endorse the findings by a retired scientist that Himalayan glaciers have not been ‘retreating’ any faster than they have been for the past century. The study by V.K. Raina, a former Deputy Director General of the Geological Survey of India, has apparently not been peer-reviewed. No less...

Without urgent progress which will stimulate funding for renewables, nations could be locked into high-carbon energy and transport technologies for decades, inflating another unsustainable economic bubble, say experts. Achim Steiner, the head of the U.N. environment programme, said: “Far more worrying [than formally ratifying a treaty] is that every month we delay we send a ambiguous signal into the world economy, the markets, investors and R&D.” The markets had not...