Rich nations alone can't halt global warming: Report

DOHA (AFP) - Poor nations must make haste to curb greenhouse gas emissions as even an impossible zero-percent pollution target for the developed world by 2030 will not stop calamitous climate change, a report warned Tuesday.

Co-authored by former World Bank chief economist Nicholas Stern, the document said that while rich countries are responsible for the bulk of Earth-warming gas emissions since the industrial age, the world could not afford to play the blame-game.

All countries, rich and poor, were moving "recklessly slow" on reducing emissions, said the report issued on the sidelines of UN climate talks in Doha, Qatar.

"There is a deep inequity in that rich countries grew wealthy on high-carbon growth, and poor countries will be hit particularly hard by climate change," it said.