Ecofys has written a paper about climate change and emissions reduction. The paper has been submitted to the Major Economies Forum, the convention of the of the world’s largest economies. The Forum is presently discussing global climate change policies as a preparation to the Copenhagen Climate Summit (COP-15) in December. The paper summarises the greenhouse gas emission reductions that are required to limit global warming to a 2 degrees rise in temperature. It was written on request of the Nordic COP-15 Group.