Those were asked in 2008, by Mr. Ellis. Their meaning has changed startlingly over the last three years. Somewhere within "Money and Power" there should be new answers.

One of the most interesting, because of its incredible rate of change, is China.

Even for those used to the speed and scale of change in China, this is astonishing.

They have also pointed out that temperature probably influences our lives more than any other climatic factor and human society is especially vulnerable to large, long-term temperature changes (1).

In times of extraordinary change such as ours, when the costs of inaction outweigh the risks of action, doing nothing is not an option.