redOrbit: Greenhouse gas emissions dropped in Europe for the third consecutive year as the European Union announced on Friday that it is on track to meet its long-term climate goal. Emissions of six greenhouse gases from the EU’s 27 nations dropped by 1.2 percent in 2007. That percentage translates into 59 million tons of carbon dioxide over figures from 2006. Compared to 1990 levels, emissions in the EU were down 9.3 percent. Of the 15 EU nations that have agreed to the Kyoto …