A LOOK AT making gas from coal. But of course, there’s a downside: “It’s the very fact that coal-to-liquids could work that make them such a scary idea for people devoted to fighting climate change.”

Then they should demonstrate their sincerity by supporting nuclear power, so that we can have electric or hydrogen-powered cars without greenhouse emissions. They may not like those either, of course, but if we’re facing a greenhouse crisis everyone will have to sacrifice something. Right?

Meanwhile, progress in making biodiesel from algae.