There’s been a rash of small earthquakes in Oklahoma and Texas in recent years. Scientists say many of these earthquakes are caused by oil and gas operators pumping their wastewater underground. In Texas, a new oil discovery could mean even more drilling wastewater to dispose of. The two states have very different views on how to deal with the quake problem. We’re going to hear from two reporters now, one in each state, starting with Joe Wertz from StateImpact Oklahoma.

— NPR