FOX31 Denver | Study: More cases of childhood leukemia in areas of high-density oil and gas development FOX31 Denver According to the report, which was published in the journal PLOS One, U.S. oil and gas development has grown rapidly over the past 15 years, and the activity has the potential to emit toxic substances into air and water, including carcinogens such as ... CU study links childhood leukemia in Colorado to oil and gas development New CU study looks at impact of nearby oil and gas drilling on childhood cancer rates |