TELTOW, GERMANY - SEPTEMBER 13: Stalks of corn stand under a blue sky during harvest on September 13, 2012 near Teltow, Germany. The annual corn harvest is underway in the German state of Brandenburg, where corn is widely planted and used for animal feed as well as the produciton of biofuels. Analysts recently predicted that German corn farmers are likely to benefit from global warming, as higher temperatures will mean an earlier planting season.