This paper investigates the potential legal bases for the International Maritime Organization (IMO) to enact climate measures. It finds that the IMO has broad powers to enact almost any required measure, and quickly via a tacit amendment to the International Convention for the Prevention of Pollution from Ships (MARPOL).
Environmental Law | Law
Aoife O'Leary & Jennifer Brown,
The Legal Basis for IMO Climate Measures,
Sabin Center for Climate Change Law, Columbia Law School & Environmental Defense Fund, June 2018
Available at: https://scholarship.law.columbia.edu/sabin_climate_change/79