President Donald Trump on Tuesday signed an executive order to roll back many Obama-era rules meant to combat climate change.

Pennington Creek in south-central Oklahoma is the only source of drinking water for the town of Tishomingo. Residents there are worried limestone mining operations threaten the creek. Now, the city council is taking on the companies doing the digging.

A bill passed by the state House of Representatives Wednesday would impose an annual fee on owners of plug-in hybrid and all-electric vehicles in Oklahoma, and that’s leaving some electric car owners feeling singled out.