Adopting measures to promote energy efficiency can buy the world an additional five years to seal a climate-protection deal, the International Energy Agency said.

Under current policies, nations need a climate agreement by 2017, when energy infrastructure will probably produce, or lock in, all emissions allowable by 2035 at a level consistent with preventing dangerous global warming, the agency said today in its World Energy Outlook report.

“Rapid deployment of energy-efficient technologies, as in our Efficient-World Scenario, would postpone this complete lock in to 2022, buying time to secure a much-needed global agreement to cut greenhouse-gas emissions,” the agency said.

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