Bloomberg: The economic crisis has made it easier to halt the growth in greenhouse gases released by power plants, factories and cars, the International Energy Agency said in a report that revised its forecasts from November. Yearly emissions from energy use may peak at 30.9 billion tons “just before” 2020, the Paris-based agency said today in a report presented to United Nations climate negotiators in Bangkok. That’s 4.9 percent less than the IEA’s previous estimate of a 32.5 billion-ton peak …