Whilst leaders in many nations discuss ambitious targets for reducing emissions of greenhouse gases (GHGs), there is also an intense debate underway regarding the technical and economic feasibility of different target levels, what emission reduction opportunities should be pursued, and the costs of different options for meeting the targets.

To provide a quantitative basis for such discussions, McKinsey & Company, supported by ten leading global companies and organisations – The Carbon Trust, ClimateWorks, Enel, Entergy, Holcim, Honeywell, Shell, Vattenfall, Volvo, WWF – has assessed more than 200 GHG abatement opportunities across 10 major sectors and 21 world regions between now and 2030. The results comprise an in-depth evaluation of the potential, costs and investment required for each of those measures.

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