Man-made global warming is the most important story of our age. Floods, droughts and famines are just the beginning. But some claim it doesn't even exist.
"Do not go forth and multiply" is the conclusion of the UN's world population report, which says educating women may be the key to cutting carbon emissions. <STRONG>Faisal Islam</STRONG> reports.
President Obama has said that time has run out for a climate change deal this year. But could a late move by 40 poorer nations save the Copenhagen summit?