Reuters: The environmental group Greenpeace posed as a pro-coal organization to become a sponsor of the 2008 McCloskey Coal USA conference and deliver an anti-coal message at the gathering, officials said on Friday. When The McCloskey Group figured out that the Institute for Energy Solutions was really Greenpeace, they decided to let the group retain its booth under the phony name and make brief remarks, organizers said. The conference managers did take the precaution of adding …