Guardian: Ed Miliband is right to call for a popular mobilisation on climate change. There is undoubtedly “an opportunity and a need” for this mass mobilisation in order to provide elected decision makers with a mandate to act decisively. But a Make Poverty History-type campaign is not the right route for climate change. Climate change is a much more diffuse and socially embedded problem than international development. A commitment to action on climate change may mean changing your choice of …