ENGAGE Global Scenarios

DOI10.5281/zenodo.5553976Zenodo5553976MaRDI QIDQ6696828

Dataset published at Zenodo repository.

Author name not available (Why is that?)

Publication date: 29 November 2021

Description

This data set includes global climate change mitigation scenarios as summarized by Riahi et al., 2021. The scenarios are developed as part of the ENGAGE project and were assessed in terms of the their investment implications (Bertram et al., 2021), their land-use dynamics (Hasegawa et al., 2021) as we all as with respect to their costs and benefits (Drouret et al., 2021). The scenarios include a current national policies scenario and an NDC scenario that depict relevant near-term GHG emission tends and targets. In the long-term, two types of CO2 emission budgets are implemented, so called net-zero budgets and end-of-century budgets. The net-zero-budget scenarios assume climate policies that limit the remaining cumulative CO2 emissions until net zero CO2 emissions are reached. These scenarios limit the temperature overshoot and do not rely on global net-negative CO2 emissions to keep warming below the intended temperature limit. In contrast, the end-of-century budget scenarios assume long-term climate policies that limit cumulative CO2 emissions over the full course of the 21st century. Depending on the availability of carbon dioxide removal options, these scenarios may comprise high temperature overshoot and global net negative CO2 emissions in the second half of the century. The near-term dimension of current national policies until 2020 or NDCs until 2030 is then combined with reaching the net-zero and full-century CO2 emissions budgets. To cover a relevant range of temperature outcomes (which in addition to the budgets themselves also determined by mitigation of non-CO2 GHG and aerosol emissions), the budgets are varied between 200 and 3000 GtCO2 in steps of 50 500 GtCO2. The data is available for download at the ENGAGE Scenario Explorer. The license permits use of the scenario ensemble for scientific research and science communication, but restricts redistribution of substantial parts of the data. Please refer to the FAQ andlegal codefor more information.

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