As ministers begin arriving at the UN climate talks in South Africa, new science is showing the challenges they face in trying to curb global warming.
Using new methodology, a Swiss team has calculated that about three-quarters of the global warming seen since 1950 is down to human influences.
A second report says glacier loss in the Himalayas is accelerating.
And an international research group has confirmed that emissions have soared despite the financial crisis
- BBC Ceefax 4/12/2011
'Where mercy, love and pity dwell, there God is dwelling too'