Although a normal monsoon has been forecast for South Asia this year, and rains have begun normally in many parts of the region, people are still anxious about the rainy season that lasts for four months. Their anxiety has to do with the uncertainties surrounding the timing of the monsoon in recent years. While the debate continues over the role of climate change, scientists have also been looking at the possible role...

-The United Nations   Fast and relatively short-term action to curb soot and smog could improve human health, generate higher crop yields, reduce climate change and slow the melting of the Arctic, according to a United Nations-backed study released today. The study, compiled by an international team of more than 50 researchers and coordinated by the UN Environment Programme (UNEP) and the World Meteorological Organization (WMO), “complements urgent action needed to cut...

The United Nations agency dealing with weather and climate today reported that Ozone loss over the Arctic has reached an unprecedented level this spring owing to the continuing presence of Ozone-depleting substances and extremely cold temperatures. Data shows that the Arctic region has suffered an Ozone column loss of about 40 per cent from the beginning of the winter to late March, according to a news release issued by the World...

The European Commission’s decision to exclude two key Ozone-depleting gases from the purview of carbon trading from 2013 would have negative implications for global warming. The two industrial emissions marked for this purpose are Hydrofluorocarbon-23 (HFC-23), essentially trifluoromethane, and nitrous oxide. These are highly potent greenhouse gases (GHGs) that together account for the bulk of the trade under the EU’s emission trading system, which is, by far, the world’s largest...

International efforts to protect the Ozone layer shielding life on Earth from harmful levels of ultraviolet rays have stopped additional Ozone losses, potentially averting scores of millions of cases of skin cancer and eye cataracts, according to a new United Nations report released today. At the same time they have helped to mitigate the global warming greenhouse effect. “Today’s report underlines that action to protect the Ozone layer has not only...