Time is running out for delegates meeting at UN talks in Copenhagen to reach a deal on a global climate change treaty.
A major element in any deal will be a reduction in carbon emissions by the United States.
President Obama has promised a 17% cut by 2020 but there is plenty of opposition to the plans.
The BBC's Mark Mardell has been to Kansas to see how ready people are to change their ways.
One-Minute World News 
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