Denver resident KSue Anderson is a lifelong Democrat who has usually chosen candidates based on economic or social justice issues. But as Super Tuesday approaches this presidential election year, the 80-year-old undecided voter can’t stop thinking about climate change.

“The winters are warmer than they used to be,” she says. “We don’t get as much snow as we used to. And when we get it, it comes in huge things.”

Young people have gotten a lot of media attention for their climate activism. But they’re just one face of a voting block that has grown more worried since the Trump administration pulled out of the Paris climate agreement and began rolling back environmental protections.

Democratic Primary Voters Increasingly Worried About Climate Change

Image Credit: Hart Van Denburg/CPR News