Advocates for keeping fossil fuels in the ground have gathered enough signatures to provide a ballot choice for voters to increase setbacks for oil derricks and fracking pads from 500 feet to 2,500 feet. This would likely result in a curtailment of Colorado oil and gas production. A major political battle is likely to ensue. The success of this initiative provides a window into the larger choices we face as human caused climate change impacts start to ramp up.