Rich must bear climate change costs - report

Christian Aid, an agency of British and Irish churches, said industrialised nations were historically responsible and therefore morally liable to foot the multi-billion dollar cost of tackling the problem of man-made emissions of carbon gases.

"Nations that have grown rich in part by polluting without facing the costs of doing so must now repay their carbon debt to the developing world," said Andrew Pendleton, author of "Truly Inconvenient - tackling poverty and climate change at once".

It is an argument that will appeal to the develo