In the current worldwide debate about greenhouse gas emissions, the political leaders of the new big polluters (NBPs, especially China and India) attempt to shift the burden of reducing the global flow of new carbon-dioxide-equivalent (CO2E) emissions to the old big polluters (OBPs, mainly Europe, North America and Japan) by claiming the moral high ground, based on two arguments: (1) we are poor, you are rich, and (2) it’s our turn now to pollute.
I will, in what follows, take as given the proposition that (1) global warming is a reality; (2) global warming is a bad thing and (3) that human-made CO2E emissions are a significant contributor to global warming. The science underlying these propositions is inevitably shaky – as has to be the case for any non-experimental science. Still I believe that, even if I don’t really know whether my grandchildren are more likely to swim down Oxford Street or to ice-skate down Oxford street, the cost of not doing something about man-made CO2E emissions if they are indeed as harmful as the Greenhouse Lobby argues is vastly greater than the cost of unnecessarily restricting CO2E emissions – an application of the precautionary principle, if you want.


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