Nation May 29 EPA proposes lowering requirements for ethanol in gas By Mary Clare Jalonick, Associated Press
World Jun 05 World Leaders Pledge to Ease Food Crisis After Political Squabbling World leaders at a United Nations food summit pledged Thursday to reduce trade barriers and boost agricultural production to combat the food crisis that is spreading hunger and violent unrest across the globe. By PBS News Hour
Economy May 29 Food Prices Will Likely Remain High, Report Warns Declaring cheap food a thing of the past, officials said in a report released Thursday that world food prices are likely to fall from their current levels in the years ahead but will stay "substantially above" average costs from the… By PBS News Hour
Science Jan 11 Switchgrass Yields Energy-efficient, Clean Fuel, Study Finds Switchgrass, a prairie grass grown on marginal farmland and processed into ethanol, can produce five times more energy than it takes to grow the crop, according to a new study. By PBS News Hour
Science Jun 08 Watch Researchers Scramble to Create CO2-Busting Technologies With carbon dioxide comprising 80 percent of greenhouse gases, researchers are creating technologies to neutralize emissions and reverse their effects on global warming.
Jun 07 Watch Emissions Exchange Program Aims to Reduce Greenhouse Gases Among businesses addressing the global warming issue, the Chicago Climate Exchange is creating a trading market with financial incentives to reduce emissions of carbon dioxide, methane, and other greenhouse gases. Continue watching