State health officials say they will review whether exemptions for the fossil fuels industry violates the Clean Air Act. Colorado lawmakers approved a bill overhauling regulations governing the state’s robust oil and gas industry to prioritize public health and safety, over opposition by Republicans and industry groups. Oregon has permanently banned offshore drilling in the midst of a federal push to open 90% of federal waters to oil exploration. A federal judge in Alaska has ruled an executive order by President Donald Trump allowing offshore oil drilling of tens of millions of acres in the Arctic Ocean is "unlawful and invalid." The US Environmental Protection Agency plans to issue a rule regulating methane emissions later this year, administrator Andrew Wheeler said.