The scientific community is now developing a new set of scenarios, referred to as Shared Socio-economic Pathways (SSPs) to replace the SRES scenarios. To be used to investigate adaptation and mitigation, SSPs need to be contrasted along two axes: challenges to mitigation, and challenges to...

The scientific community is now developing a new set of scenarios, referred to as Shared Socio-economic Pathways (SSPs) to replace the SRES scenarios. To be used to investigate adaptation and mitigation, SSPs need to be contrasted along two axes: challenges to mitigation, and challenges to...

In the absence of incontrovertible scientific evidence to forecast the consequences of global warming - or the costs of preventing it - the debate over emissions targets has often been driven by personal and political interests. Mark Bernstein, Scott Hassell, and Robert Lempert argue that...