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THE first serious attempt to rein in US greenhouse gas emissions is taking shape.

A House of Representatives committee is expected to pass a bill this week that will require US emissions to fall to 17 per cent below 2005 levels by 2020. The bill will make companies pay for at least some of their emissions, with 5 per cent of the money going to reforestation projects worldwide.

Henry Waxman, the bill’s author and a Democrat from California, has faced opposition from Republicans and some in his own party. Representatives from coal-exporting states havefought particularly hard, leading Waxman and his allies to retreat from attempts to…

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