Abstract:High end emissions and forcing scenarios used to drive climate models provide key insights into possible high-risk climate change impacts in the 21st century and beyond. Given rapid and ongoing societal changes (e.g., population growth, energy demand, technology, etc.), debates are increasing on the continued relevance of higher forcing scenarios, such as those designed to reach 8.5 W/m2 by the end of the century (e.g., RCP8.5 and SSP5-8.5). Here, we determine an updated probability of exceeding 8.5 W/m2 by 21… Show more
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