PNNL

Abstract

This Special Issue presents the Shared Socio-economic Pathways (SSPs), a set of 5 storylines on possible trajectories for human development and global environmental change during the 21st century. The information presented in the Special Issue has been developed over the last few years as a joint community effort and includes both qualitative narratives and results of quantitative model analysis. The SSPs form part of a larger set of community scenarios for analysis of climate change. Such community scenarios form a key tool for analysis of analysis of global environmental change and sustainable development problems. They allow exploration of different futures with and without response strategies. They also form a key tool to link across different disciplines and scales. They allow the same scenarios to be used in research on driving forces of climate change, the physical climate system, climate impacts and adaptation and mitigation strategies. Such scenarios can also link research across different research areas (e.g. climate change and biodiversity analysis) or be used across different scales (global, regional and local scales). Finally, they also have a key function as a consistent data source (population projections, climate projections and insights into land and energy development, for instance).