Analysis of current greenhouse gas emission trends

Policy activity has to increase significantly in order to limit global average temperature increase to 2°C above the pre-industrial level. With currently implemented government policies, greenhouse gas emissions are projected to lead to a warming of 3.7?C by the end of this century, about 0.6?C higher than that under the Copenhagen pledges. Under current policies there is about a one in three chance of exceeding 4?C by 2100. The current trend analysis of national policies and measures shows a very diverse picture. Most countries are not on track to meet their pledges, and only a few countries are on track to meet their (often inadequate) pledges. Some countries may over-achieve their (often inadequate) targets.

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