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80% Reduction in Current Levels of Building Sector Emissions by 2050



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The general scientific consensus is that in order to maintain global carbon dioxide levels at less than twice pre-industrial levels, carbon dioxide emissions would need to be reduced by 80% below the levels of the year 2000 by 2050.

CO2 concentrations in excess of 500 ppm are feared to give rise to unmanageable global warming. "Unmanageable" means global warming cannot be mitigated or adapted to and, as John Holdren, Director of the White House Office of Science and Technology Policy, has said, the only alternative is to suffer.

To put the magnitude of this challenge in perspective, in spite of projected floor space increases of 150%, total building sector emissions in 2050 will need to be only 20% of their current levels.

Read more details about the building sector's challenges with energy efficiency, emissions and drain on our natural resources in the 2009 Green Building Impact Report.


Edited by Carolyn Allen, Managing Editor of Solutions For Green

Publication Date: 12/1/2009
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