McCain in pledge on climate change
Updated on 12 May 2008
America's economy and future security will rely on the country's ability to tackle climate change, Republican presidential candidate John McCain has said.
The former Vietnam prisoner of war criticised President George Bush for backing away from the Kyoto global warming protocols in a key speech on global warming and said that as president he would return to the negotiating table.
Mr McCain also said he would introduce a cap-and-trade system for carbon emissions, aiming to reduce them to a level 60% below that emitted in 1990 by 2050, and added that nuclear energy was a "powerful ally" as the US moved towards this goal.
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