two Indian climate scholars and activists, Anil Agarwal and Sunita Narain, who took issue with calculations that treated all emissions as equal. ‘Can we really equate’, they asked, ‘the carbon dioxide contributions of gas guzzling automobiles in Europe and North America or, for that matter, anywhere in the Third World with the methane emissions of draught cattle and rice fields of subsistence farmers in West Bengal or Thailand? Do these people not have a right to live?’ A quantum of methane from a ruminant or paddy might have the same radiative forcing as a quantum of CO2 from an SUV, Agarwal
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