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This reports considers transformation required in the sectors of electricity supply, industry, transport and buildings. It furthermore investigates cross-cutting systemic transformations of food systems and the financial system, illustrating that there is immense potential to reduce emissions beyond current mitigation pledges.

One of the fundamental questions in the global climate negotiations is: what level of “ambition”, in terms of collective emission reductions, is needed to protect global climate? To help answer this question UNEP and the scientific community have published a series of reports on the “emissions gap1 ” since 2010. Of particular interest to the ambition question is the gap in 2020 between emission levels consistent with the 2o C climate target and emissions levels projected if country reduction pledges are fulfilled. If there is a gap, then there is doubt that the ambition of countries is great enough to meet the agreed-upon 2o C climate target