Oklahoma has become the world capital of earthquakes.
The number of significant pipeline incidents grew 26.8 percent from 2006 to 2015.
Oklahoma is scheduled to execute Richard Glossip on Wednesday night. But as time is running out, is the state about to kill an innocent man? Democracy Now discusses the case.
With severe storms leave extensive damage and at least 23 people dead in Texas and Oklahoma, Republicans presidential candidates continue to question climate change. Are these politicians crazy or just denying the truth?