Climate Protection May Cut World GDP 4% by 2030, UN Says

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http://www.bloomberg.com/news/2014-01-16/climate-protection-may-cost-4-of-world-gdp-by-2030.html


Countries are trying to divide up by 2015 the burden of emissions limits needed to..

The cost of holding rising temperatures to safe levels may reach 4 percent of economic output by 2030, according to a draft United Nations report designed to influence efforts to draft a global-warming treaty.

Most scenarios that meet the 2-degree Celsius (3.6-degree Fahrenheit) cap on global warming endorsed by world leaders require a 40 percent to 70 percent reduction in heat-trapping gases by 2050 from 2010 levels, according to the third installment of the UN’s biggest-ever study of climate change. The world would need to triple the share of renewables, nuclear power and carbon-capture and storage to meet that goal.

“This report shows that 2 degrees is still technically possible and ought to remain the primary policy target” for climate negotiations that intend to produce a global agreement in 2015, said Bob Ward, policy director at the Grantham Research Institute on Climate Change and the Environment at the London School of Economics.

A draft of the study was obtained by Bloomberg from a person with access to the documents who asked not to be identified because it hasn’t been published. A spokesman for the panel declined to comment on the document.