Reuters: Greenhouse gases emitted by the European Union fell by 3.3 percent in 2011 to their lowest level since 1990, the European Environment Agency said on Wednesday. The 2011 decline, which coincided with a 1.6 percent rise in GDP, was the result of a relatively mild winter, the agency said. It followed a rise in 2010 when a colder winter and a rebound in many economies drove up energy use, breaking a multi-year pattern of emissions' declines. Jacqueline McGlade, the head of the European Environment...