The United States must adopt a carbon pricing system, like the one President Barack Obama has submitted to Congress, if it hopes to meet its U.N. commitments on greenhouse gas emissions, the International Energy Agency's head said on Wednesday.
The United States must adopt a carbon pricing system, like the one President Barack Obama has submitted to Congress, if it hopes to meet its U.N. commitments on greenhouse gas emissions, the International Energy Agency's head said on Wednesday.
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