Bierbaum,
R.
Potsdam Institute for Climate Impact Research and Cooperation Partners;
Holdren,
J.P.
Potsdam Institute for Climate Impact Research and Cooperation Partners;
MacCracken,
M.
Potsdam Institute for Climate Impact Research and Cooperation Partners;
Moss,
R.H.
Potsdam Institute for Climate Impact Research and Cooperation Partners;
Raven,
P.H.
Potsdam Institute for Climate Impact Research and Cooperation Partners;