Agence France-Presse: Environmental group Greenpeace on Monday accused Canada of contributing to a “global climate crisis” by seeking to expand extraction of oil from tar sands in Alberta province. In a report entitled “Dirty Oil” the organization also says that Canada, along with Japan, is seeking to block progress towards a new global climate change agreement to be finalized at a December summit in Copenhagen. Greenpeace published its new report shortly ahead of a meeting between Canadian Prime …