Emissions vs concentrations

A lot of people seem able to spend a great deal of time on the greenhouse issue and still miss the most basic features of it.

Greg Pollowitz, whom I highlighted earlier as a real gentleman, is every bit as much a scholar:

The Cancun deal commits all countries to keeping temperature rise below 2C (3.6F) by reducing emissions. Rich countries have agreed to consider an extension of the Kyoto Protocol while poor countries will sign up to emission cuts for the first time. There are also a series of key decisions on setting up a green fund to help poor countries cope with climate change and halting deforestation.

Well, this seems doable, at least according to this new NASA model.

Doubled CO2 means just 1.64°C warming

So a country can double its CO2 emissions and satisfy the Cancun accord? Historic!

Um, no. At least not the way you think.

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