Scientists more convinced mankind is main cause of warming

STOCKHOLM, Sept 28:  Leading climate scientists said yesterday they were more convinced than ever that humans are the main culprits for global warming, and predicted the impact from greenhouse gas emissions could linger for centuries. The Intergovernmental Panel on Climate Change (IPCC) said in a report that a hiatus in warming this century, when temperatures have risen more slowly despite growing emissions, was a natural variation that would not last. (agencies)