Why Biofuels Are the Rainforest’s Worst Enemy

Forget petroleum. The next planet-destroying fuel is already here.

With governments and consumers scrambling for alternatives to fossil fuel, worldwide demand for biofuels has gone through the roof; in Europe, where more than half of all automobiles run on diesel, consumption of biodiesel is set to triple by 2010. US subsidies for biofuels, mostly ethanol, will add up to $92 billion between 2006 and 2012, and producers in developing countries like Indonesia are often eligible for millions of dollars in development money from the World Bank.

But amid the hype, problems have emerged. Biodiesel emits less than one-quarter the carbon of regular diesel once it’s burned. But when production