The world faces a small but substantially increased risk over the next two decades of a major slowdown in the growth of global crop yields because of climate change, finds this new research by Stanford professor David Lobell and Claudia Tebaldi from the National Center for Atmospheric Research

A modelling study shows that cutting greenhouse-gas emissions has the potential to stabilize global temperature increases, but predicts that sea level will continue to rise for centuries, and rapidly so, unless aggressive mitigation measures are set in place.