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atasets for global temperature can result in different assessments of progress.
May 2018

The adoption of the Paris Agreement started a lively debate among scientists about the interpretation of several of its elements. Of particular interest has been the long-term temperature goal of limiting warming to “well below” 2°C or 1.5°C above pre-industrial levels and the question of how progress against the goal should be tracked. As there are a number of different observed datasets for global temperature – as well as methods that use climate models – it means different studies can arrive at different assessments.