In this instalment of FRANCE 24's special series on the Paris Climate Conference, we look at the cost of fighting global warming.

The World Bank estimates that global warming could drive 100 million additional people into poverty.
The alternative is to act swifty, but thorny questions remain: who is going to pay and how much?
Our guest Pascal Canfin, senior advisor at World Research Institute and former French development minister, gives us some pointers.

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