party is the regional key players are supporting. the un environment programme has said that the world is on track for a catastrophic rise in temparatures if current commitments to reduce carbon emissions are not increased. the report warns that the world is on course to warm by around 2.7 degrees centigrade. which the un says would be catastrophic . pledges made for cuts to carbon emissions by 2030 would only result in a 7.5% reduction of emissions. a reduction of 55% would be needed to limit the temparature rise to that important 1.5 degree aim. even to limit the temparature rise to within two degrees a reduction of 30% is needed. now, next week global leaders will meet in glasgow to discuss how to tackle climate change. here s the un secretary general speaking at the launch of the report. the clock is ticking. the emissions