Increasing concentrations of atmospheric carbon dioxide will almost certainly lead to changes in global mean climate. But because - by defnition-extreme events are rare, it is significantly more difficult to quantify the risk of extremes.
there would be no sulphur in petrol from January 1, 2009, in 15 countries of the European Union (eu) block. This decision was taken by the eu environment ministers recently. The eu intends
Negotiations over the past four years have diluted the already weak Kyoto Protocol signed in 1997. The protocol requires industrialised countries to reduce emissions of heat trapping gases like