Global warming to speed up as carbon levels show sharp rise

Global warming is set to accelerate alarmingly because of a sharp jump in the amount of carbon dioxide in the atmosphere.

Preliminary figures, exclusively obtained by The Independent on Sunday, show that levels of the gas – the main cause of climate change – have risen abruptly in the past four years. Scientists fear that warming is entering a new phase, and may accelerate further.
http://news.independent.co.uk/environment/article338689.ece