The Royal Dutch Shell refinery in Norco, Louisiana. The state is a major petrochemical and oil and gas producer, but Governor John Bel Edwards has called for a plan to dramatically reduce climate warming emissions.

Emissions rise from the Royal Dutch Shell Plc Norco Refinery in Norco, Louisiana, U.S., on Friday, Feb. 9, 2018. U.S. refiners exported staggering amounts of diesel and gasoline last year, hitting records in both categories while continuing to eye more opportunities to expand. Photographer: Luke Sharrett/Bloomberg via Getty Images