The House Natural Resources Committee of the United States House of Representatives has introduced on 20 October 2020 the Ocean-Based Climate Solutions Act (OBSCA). Bill text of the OBSCA can be viewed here, a section-by-section summary is here, and a fact sheet on the bill can be viewed here. Among other measures, the OBSCA establishes monitoring, reporting, and verification requirements of greenhouse gas emissions applicable “to all vessels of 5,000 gross tons or more calling at, leaving, or transiting between, or at berth at, ports in the United States, regardless of flag” (sections 1401-1402). More information on OBSCA is available here and here.