1. CARBON CAPTURE:
Can a big, relatively clean coal-fired power plant make money and revolutionize the industry?
DEKALB, Miss. -- The nation's first coal-fired power plant aiming to capture the majority of its carbon dioxide emissions rises like a silver city from a vast, cleared plot of Mississippi pine forests.
The future of Texas' groundwater supply may be precarious, experts say
The city of Vernon, in north-central Texas, lies right on the path of the old Western Trail, where cowboys once drove their cattle northward to Nebraska. The city of 11,005 has suffered through a drought that has parched most of Texas for the last four years.