Assessing the Present and Future of Fracking Governance: Science, Expertise and Policy of Fracking in ColoradoÕs Denver Julesburg BasinThe shale oil and gas boom in the United States, which has been driven by advances in hydraulic fracturing and horizontal drilling, or fracking, has highlighted long term questions over the role that fracking should play in the energy transition, and short term questions over the public health and environmental impact of these extraction techniques. To address these questions, Colorado state government and regulators have had to collaborate and