Designing a Meaningful Global Stocktake

The first global stocktake (GST) under the Paris Agreement, the lynchpin of the its ambition cycle, takes place from 2021–23 and serves as the first official checkpoint to assess Parties’ collective progress on climate action. This paper investigates how the GST,...

Net Zero: Science, Origins, and Implications

This review explains the science behind the drive for global net zero emissions and why this is needed to halt the ongoing rise in global temperatures. We document how the concept of net zero carbon dioxide (CO2) emissions emerged from an earlier focus on...