Purpose Carbon offsetting is one of the tools that companies can use to achieve their climate targets. The ability of a company to offset its emissions successfully depends on the availability and quality of guidance on the subject. This study explores how well existing offsetting guidelines equip corporations to achieve successful emissions offsetting. Methods Instructional criteria were developed and used to evaluate seven guidelines. The contents of each guideline were assessed based on how they instruct a company to achieve emissions offsetting that fulfills five criteria for appropriate offsetting: target affiliation, Paris compatibility, effectiveness, prioritizing removals, and transparency. Results and discussion The review revealed that necessary instructions enabling appropriate emissions offsetting were absent in the guidelines. Moreover, the degree of climate ambition and the role of offsetting varied between guidelines. Deficiencies in emissions offsetting guidance may increase the uncertainty of companies’ succeeding in offsetting their emissions. Conclusions Developing guidance on emissions offsetting could benefit society and corporations by increasing the certainty of achieving successful emissions offsetting. Standardizing corporate emissions offsetting could be considered as one solution for unifying the practice. The practical life-cycle implications of current ambiguity in guidelines are a direction for future research.
Cities play a pivotal role in climate change mitigation; however, the methodology to quantify actual emission reduction potential of climate interventions implemented by cities and regions has been lacking. The aim of this study is to create a framework to assess positive climate impacts of cities and regions by modifying the life-cycle assessment (LCA)-based carbon handprint framework. Additionally, a step-by-step guidance to perform calculations is presented. A case study of the Finnish city of Espoo is used to further develop and test the regional handprint approach both qualitatively and quantitatively. According to our research, a city′s carbon handprint can be determined through the three main mechanism categories of ownership, operating environment and projects. In the case of Espoo, the carbon handprint of building public electric vehicle charging stations on city-owned land from the mechanism category of ownership showed to be up to 110 tCO2eq/a for 18 charging stations. However, the overall handprint of a city consists of several actions, to be calculated separately. The regional carbon handprint approach provides a useful instrument to reliable quantify and communicate the innovative climate actions implemented by a city and it can be used in cities′ climate work as well as in marketing and branding purposes. Handprint turns the focus on possibilities for increasing a city vitality. As a provider of climate solutions, a city can attract new taxpayers and by focusing efforts to a certain sector, a city can help companies to reach synergies in fields essential from the climate point of view.
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