Carbon trading adding fuel to global warming row

POLITICIANS are battling it out over climate change at the G8 this week in Germany but it is becoming difficult to follow the twists and turns of this issue.

George W Bush muddied the waters even further with his apparent U-turn on the US intransigence over imposing limits to the amount of greenhouse gasses their industry can emit.

In fact the only U-turn he performed was in acknowledging that global warming is caused by human activity — something accepted by every other developed country for quite some time.