Oklahoma’s seven members of the U.S. Congress sent a letter to the Bureau of Indian Affairs in late September.

It would be the first time the U.S. placed limits on the release of greenhouses gases at power plants.

The relationship between the Grand River Dam Authority and Gov. Mary Fallin went through a rough summer.

Hydroelectric and renewable sources— mainly wind — provide some of Oklahoma’s power. But when you flip a light switch, chances are that electricity came from burning coal we get from Wyoming.