Denver Post: Federal mining officials are moving ahead with a new environmental assessment on coal mining operations at the Colowyo Mine near Craig, including the impacts of greenhouse gases on climate change. On May 8, a federal district court ruling found the environmental assessment done in 2006 for the expansion of the mine on federal lands was insufficient. Judge R. Brooke Jackson gave the federal Office of Surface Mining, Reclamation and Enforcement 120 days to address the issues. One of the major deficiencies...