Inter Press Service: The launch of a new international agency devoted solely to the promotion of renewable energy last month was applauded by many environmental groups, but left others wondering whether it is too little, too late. On Jan. 26, 75 countries signed the statutes of the International Renewable Energy Agency (IRENA), the first intergovernmental agency exclusively focused on the promotion of green power sources like wind and solar. “This is very historic,” Michael Eckhart, executive …