News in Climate Science and Exploring Boundaries: A Policy brief on developments since the IPCC AR4 report in 2007

Meyer, L.A.; Leemans, R.; Kuikman, P.J.; Hutjes, R.W.A.; Swart, R.; Verhagen, A.; Vliet, A.J.H. van; Marinova, N.A.


The IPCC Fourth Assessment Report of 2007 (AR4), today, still offers a solid scientific base for climate policy-making. However, there are risks that climate change may happen faster - or may have more severe impacts – than expected. Therefore, it is recommended to increase climate monitoring efforts, and investigate policy response options addressing these risks.