Pollution laws and regulations

Dutch construction workers gather for a demonstration against the government’s environmental rules, in The Hague, Netherlands on Wednesday, Oct. 30, 2019. The industry is protesting government limits on nitrogen emissions and rules about transporting sand and earth contaminated with tiny amounts of chemicals known as PFAS. (AP Photo/Mike Corder)

FILE - In this Oct. 26, 2018, file photo, downtown Los Angeles is shrouded in early morning coastal fog and smog. General Motors, Fiat Chrysler, Toyota and many others in the auto industry are siding with the Trump administration in a lawsuit over whether California has the right to set its own greenhouse gas emissions and fuel economy standards. (AP Photo/Richard Vogel, File)

President Donald Trump speaks at the 9th annual Shale Insight Conference at the David L. Lawrence Convention Center, Wednesday, Oct. 23, 2019, in Pittsburgh. (AP Photo/Evan Vucci)

FILE - In this Oct. 8, 2019, file photo, California Gov. Gavin Newsom gestures during an interview in Sacramento, Calif. The Democrats who rule California took on homegrown tech giants Uber and Lyft over their work force, convinced some of the world's biggest automakers to buck the president on fuel emissions and passed a law that could change college sports. On issues big and small, hotels soon will be forbidden from providing guests with little plastic shampoo bottles, California this year has marched farther left and tried to pull the rest of the country with it. (AP Photo/Rich Pedroncelli, File)

Alaska Supreme Court Justice Craig Stowers listens to arguments in a lawsuit that claims state policy on fossil fuels is harming the constitutional right of young Alaskans to a safe climate Wednesday, Oct. 9, 2019, in Anchorage, Alaska. Sixteen Alaska youths in 2017 sued the state, claiming that human-caused greenhouse gas emission leading to climate change is creating long-term, dangerous health effects. They lost in Superior Court, but appealed to Alaska's highest court. (AP Photo/Mark Thiessen)

FILE - In this May 13, 2004, file photo, worker Roberto Rosiles picks fruit at a Sand Hills Farms orchard in Arvin, Calif. Rosiles was one of about 140 workers who were told by supervisors to flee the orchard after pesticide fumes from an adjacent field sickened 19 workers. The nation's most productive agricultural state moved Wednesday, Oct. 9, 2019, to ban chlorpyrifos a controversial pesticide widely used to control a range of insects but blamed for harming brain development in babies. (AP Photo/Damian Dovarganes, File)

This September 2019 photo provided by the New York Department of Environmental Conservation shows a brook trout caught by biologists from a tributary to Lake Colden near Keene, N.Y. In 2019, biologists confirmed a healthy population of brook trout were reproducing in the high altitude lake for the first time since acid rain rendered it unable to support fish 32 years earlier.(NY Department of Environmental Conservation via AP)

FILE - In this Sept. 30, 2019, file photo a box of Maximum Strength Zantac tablets is shown at a pharmacy in Miami Beach, Fla. Walmart has become the latest store to halt sales of the popular heartburn treatment Zantac after health regulators warned about a potentially dangerous contaminant in the drug. (AP Photo/Wilfredo Lee, File)