A new report on hydraulic fracturing has taken stock of the controversial procedure's effect on water supplies in Colorado, echoing concerns of California lawmakers as they seek to regulate "fracking" here.

Trying to get Colorado to understand the “water-food nexus” could require social media, bicycle tours or even shuttle diplomacy. On the other hand, the Colorado basin roundtable process might do the trick, Gov. John Hickenlooper told about 300 people Thursday at the Colorado Roundtable Summit.

Beneath the lush, green hills of eastern Utah’s Uinta Basin, where elk, bear and bison outnumber people, the soil is saturated with a sticky tar that may soon provide a new domestic source of petroleum for the United States. It would be a first-of-its kind project in the country that some fear could be a slippery slope toward widespread wilderness destruction.

Federal legislation to explore putting groundwater pumped out during oil and gas production to use was signed into law Thursday. The bill signed by President Bush directs the Interior Department to assess the feasibility of recovering and cleaning up the millions of gallons of water that are reinjected into the ground or disposed of during oil and gas development.

A western Colorado water district has received a state grant to work with energy companies and local governments to track water quality and quantity in the south Piceance Basin as the area's natural gas boom continues. The West Divide Water Conservancy District has received $300,000 from levies on mineral production to help establish a database.

Add another requirement to the clean-energy checklist: low water usage. Two Virginia Tech researchers released a study this week examining the water-use requirements for 11 different energy sources, ranking them in terms of efficiency.

With oil above $100 a barrel and Arctic ice melting faster than ever, some of the world's most powerful countries -- including the United States and Russia -- are looking north to a possible energy bonanza.

A group of Washington County residents wants the push for a Lake Powell pipeline to dry up.Lin Alder, executive director of Citizens for Dixie's Future, warns that the proposed 158-mile-long pipeline would be too costly, would spawn more sprawl, could prove unreliable and, ultimately, would not be needed to meet the region's water deman