When the whole world seems to be singing the same song (for example, the great ode to decarbonisation at the end of the Bali conference) big trouble cannot be far away. Momentarily it did seem as if the moribund Kyoto agreement might be replaced by something better. The all-seeing ones of the IPCC had produced a report Delphic enough to bring vague general agreement yet specific enough to provide some benchmark for policy making. They were interpreted as saying that the future might be tolerable if CO_2 concentration in the atmosphere was held below 450 ppm (it now being about nearly 390 and rising at about 2 per year), thus using its factoids to establish a goaloid.
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