Environmentalists and the oil and gas industry are battling over new state regulations that one side says would protect vulnerable communities that suffer the most from pollution and the other agues would effectively ban new wells in Colorado. The latest clash involves the ongoing debate about how close those wells should be to homes. Next month, the Colorado Energy and Carbon Management Commission must approve rules that define “cumulative impacts” of pollution and address how they affect what are known as disproportionately impacted communities across the state. Gov.