This week marked the start of a global meeting on climate change in Copenhagen, with nearly 200 nations trying to reach an agreement on this contentious issue. The delegates attending the summit will have until December 18 to discuss things like cuts on greenhouse gas emissions, particularly from big polluters like the United States and China, and aid to poor countries who need help cleaning up pollution that they may not have even created. Despite several countries, including the U.S., China, Brazil and India, announcing new emissions goals before the summit, some feel that the new targets are not...