The Clean Water Act (CWA) requires states to calculate total maximum daily loads (TMDLs) of individual pollutants that impair their waters.

Two carbon pricing bills were introduced during the 115th Congress. Reps. Carlos Curbelo (R-Fla.) and Brian Fitzpatrick (R-Pa.) introduced the MARKET CHOICE Act during the summer of 2018. Reps. Ted Deutsch (D-Fla.) and Francis Rooney (R-Fla.) introduced the Energy Innovation and Carbon Dividend Act (Energy Innovation Act) in November 2018, and reintroduced it early in the 116th Congress, where it presently has more than 65 cosponsors. By different methods and with different comprehensiveness, both of these bills place a Pigouvian tax on greenhouse gas (GHG) emissions.

Established in over 65 countries and territories, marine protected areas (MPAs) embody a range of habitats, enable the provision of fundamental ecosystem services, protect marine biodiversity and cultural resources, and provide spaces to conduct cutting-edge research and implement innovative policies. Yet management of MPAs can face challenges, including the lack of adequate tools, the need for rules to secure comprehensive monitoring, the vastness of the ocean, and more.