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A philosopher at the IPCC John Broome is byturns astonished, angered and pleased by a proces that put ethics into climate negotiations f e a t u r e/i p c c

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Climate change is a moral problem. Each of us causes the emission of greenhouse gas, which spreads around the Earth. Some of it stays in the atmosphere for centuries. It causes harm to people who live far away and to members of future generations. Moreover, the harm we cause, taken together, is very great. As a result of climate change, people are losing their homes to storms and floods, they are losing their livelihoods as their farmland dries up, and they are losing even their lives as tropical diseases climb higher in the mountains of Africa. We should not cause harms like these to other people in order to make life better for ourselves.

It is chiefly for moral reasons that we inhabitants of rich countries should reduce our emissions. Doing so will benefit us – particularly the young among us – to an extent, but most of the benefit will come to the world’s poor and to future generations. Our main reason for working to limit climate change is our moral duty towards those people.

The Intergovernmental Panel on Climate Change (IPCC) recognises that climate change is a moral problem or, to use its cautious language, it “raises ethical issues”. The authors of the IPCC’s recent Fifth Assessment Report therefore included two moral philosophers. I am one of them. I recently returned from the “Approval Session” of IPCC’s Working Group 3 in Berlin.

3RD QUARTER 2014  tpm

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