Gov. John Hickenlooper has been a lightning rod for the controversy surrounding oil and gas production in Colorado, specifically the industry's use of...

GREELEY, Colo. -- Weld County is on pace to produce almost 80 percent of Colorado's oil output this year – again making it the oil-drilling cent...

Colorado Governor John Hickenlooper has made no secret of his support for hydraulic fracturing, but on Tuesday he went one big step further and testif...

Emissions from oil and natural gas operations account for more than half of the pollutants -- such as propane and butane -- that contribute to ozone f...

Over the last few months, democracy has reared its beautiful head in Boulder County, Colorado, where citizens are proving that democracy is about citizens first and foremost, and if bureaucracies don't pay attention, the citizens can seize control.

DENVER (AP) — Colorado officials are launching a study of emissions tied to oil and gas development following a hearing by regulators that questions...

In August, Colorado Governor Hickenlooper told oil and gas workers to expect heavier regulations on fracking fluid in the state by the end of the year...

DALLAS -- Anadarko Petroleum Corp. said Monday that results from early drilling indicate that the company could produce the equivalent of more than 1 ...

Colorado Governor John Hickenlooper told oil and gas companies on Tuesday to expect heavier regulations on fracking fluid in the state by the end of t...

The Colorado Petroleum Association (CPA) today dropped its bid to get the state to roll back its rule for proper disposal of pit liners used in the oi...

2010 was the third-best year for oil and gas permitting in Colorado history, with nearly 6,000 new permits issued. 5,996 permits were issued in 2010,...

DENVER -- Colorado Republicans who vowed to reverse oil and gas regulations that they claimed were strangling the industry and driving jobs out of sta...

The Environmental Protection Agency is proposing to expand its first-ever greenhouse-gas reporting requirements to include oil and gas production and ...

Denver Mayor John Hickenlooper told a business group Thursday that it's "crazy" to raise fees or taxes when revenues are down, or for Colorado to be k...

A boost in production and higher oil prices helped Colorado energy company Bill Barrett Corp. double its fourth-quarter profit. Denver-based Bill B...

Colorado oil and gas production -- despite the recession and new state drilling rules -- rose about 4 percent in 2009, according to Colorado Oil and G...

DENVER — Colorado approved about 5,100 oil and gas drilling permits last year, down from the record 8,027 issued in 2008 before the recession. ...