Article Photos: Obama orders pollution cuts _ but timing uncertain 4/12

The coal-fired Plant Scherer is shown in operation early Sunday, June 1, 2014, in Juliette, Ga. The Obama administration unveiled a plan Monday to cut carbon dioxide emissions from power plants by nearly a third over the next 15 years, in a sweeping initiative to curb pollutants blamed for global warming. (AP Photo/John Amis)