Bush cold-shoulders global warming plea

Unconvinced that the world is warming, President George W. Bush looks set to shun pleas by his main industrial allies to step up a fight against climate change at a Group of Eight summit next month.

The July 6-8 talks will test how far other G8 nations, and big developing countries whose leaders will also attend, are willing to stick to UN schemes to curb emissions of heat-trapping gases without the US, the top polluter.