The authors apply the Greenhouse Development Rights framework to Seattle, Wash., and find that to fulfill its global mitigation responsibilities, the city would need to go carbon “negative” before 2020 and progressively more so thereafter.
Cities around the world have been leaders in efforts to reduce greenhouse gas emissions, and many have adopted pledges to cut emissions by 80% from 1990 levels by 2050. However, while that goal may be considered very ambitious in terms of the required policies, technologies and actions, it may no longer represent an adequate target in terms of confronting the risks of climate change.
Furthermore, when applied at a community scale, such goals do not consider the UNFCCC principle of “common but differentiated responsibility,” which places greater burden on developed countries to finance and deliver emission reductions. In setting emissions goals, the authors suggest, communities should consider “burden-sharing” approaches that consider historic responsibility and capacity to pay. The Seattle analysis aims to demonstrate the feasibility of such approaches.
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