What Happened
Panama has reversed its support for a proposed carbon levy on international shipping, joining several smaller states that have recently dropped backing, according to reporting by the Guardian.
A leaked document seen by the Guardian shows Panama co-sponsored a proposal to the International Maritime Organization (IMO) that would effectively cancel the planned carbon levy. Experts cited by the newspaper said US pressure and what they described as “bullying” appeared to be influencing the shift.
Background
The carbon levy under discussion was designed to reduce greenhouse-gas emissions from the shipping sector. The measure has been advanced at the IMO as part of international efforts to curb emissions from vessels, which are a significant source of global maritime pollution.
Support for the levy has fluctuated as states weigh economic, diplomatic and environmental considerations. The leaked document and subsequent media coverage indicate that diplomatic pressure — notably from the United States, according to experts quoted in the Guardian — is affecting the coalition of countries backing the measure.
What This Means
Panama’s change of position could alter the negotiating dynamics at the IMO. As a country identified in the reporting as a key maritime state, its shift away from the carbon levy may make it harder for proponents of the measure to secure the international agreement needed to implement it.
Experts warned that the move risks undermining international attempts to reduce greenhouse-gas emissions from shipping. If the proposal co-sponsored by Panama advances, it would in effect cancel the levy and weaken a potentially important tool for cutting maritime emissions.
Next Steps
The issue is expected to remain a topic of intense debate at the IMO and among environmental and industry stakeholders. Media reports and the leaked document have prompted renewed attention to the diplomatic pressures shaping the negotiations. Observers will be watching how other states respond and whether backers of the levy can regroup to advance emissions reductions through other measures.
Reporting on this development was published by the Guardian on 26 February 2026. The situation remains fluid as international talks continue.