George Bush, conveniently ripped out of context:"we ought to get beyond that debate and start implementing the technologies necessary to enable us to achieve a couple of big objectives "

Reading stale magazines this morning, I saw an ad by a solid waste disposal company reporting a company in Texas that is growing algae for fuel. They are still evalating different algae strains, but the prediction there was that an acre of Southwest USofA land could produce 100,000 gallons of petroleum-type fuels per year, as compared to getting only ?20 gallons from corn.

The photo showed compartmented clear plastic bags suspended on racks, holding the circulated green liquid material, in a greenhouse shelter.

Elsewhere in that issue of Time, about March 2008, was a report of someone "expertly" figuring that there are technological solutions to global warming, whatever the mechanism. Namely, releasing sulfur aerosols that cause the atmosphere to whiten and reflect more solar radiation as did that Pinatubo eruption in the Philippines. Also, we could paint our roofs white. Or, fertilise the oceans with iron compounds. Or, orbit reflectors.