 Pine promoted several pieces of legislation to protect the environment, including a 2017 bill banning the use of Styrofoam food containers.In 2019, Pine joined the Honolulu City Council to pass Bill 40, which became Ordinance 19-30, thought at the time to be the most comprehensive phase-out of plastics in the nation.Citing case studies that flexible schedules improved workplace performance, reduced sick time and worker's compensation claims and reduced energy use to mitigate carbon emissions, on January 15, 2020, Pine introduced Resolution 20-8.