... the United States, over the past two months, has been secretly undermining Tony Blair's proposals to tackle climate change.
The documents obtained by The Observer represent an attempt by the Bush administration to undermine completely the science of climate change and show that the US position has hardened during the G8 negotiations. They also reveal that the White House has withdrawn from a crucial United Nations commitment to stabilise greenhouse gas emissions.
The documents show that Washington officials:
· Removed all reference to the fact that climate change is a 'serious threat to human health and to ecosystems';
· Deleted any suggestion that global warming has already started;
· Expunged any suggestion that human activity was to blame for climate change.
http://observer.guardian.co.uk/international/story/0,6903,1509839,00.html