If your worried about climate change, the hedge funds may turn out to be your best ally, destroying the economic ability of the nations of the world to extract the oil that would heat the atmosphere

It's the coal which is the real problem. For example, all Australian motorists would have to walk just to offset CO2 emissions from stage 1 of the Wiggins coal terminal on the East coast of Australia (25 million tons pa), approved by "Environment" Minister Peter Garrett, almost a year ago:

Nod for new CQ coal terminal
http://www.news.com.au/couriermail/story/0,23739,23574040-3102,00.html

"Peter Garrett. Every performance a sell-out".