He says that some countries may be inspired to curb climate action as a result of the US withdrawal, while Washington continues to exert a significant active influence.

So far, we haven't seen any other countries follow the US out the door on Paris.

There were rumblings in the first term that President Milei of Argentina might do that, but I think he was convinced by advisors that doing so would disqualify Argentina from, uh, obtaining finance, uh, whether loans or grants for their domestic programs and he backed off of that.

Um, it's hard to measure, of course, what the impact is on the level of ambition, uh, of other countries' commitments under Paris.

There certainly would be an argument for the fossil fuel industry or others in those countries to say, "With the world's largest economy and second largest emitter out of the regime, why should we, uh, take action, uh, to meet, uh, our obligations?" But of course, there are other arenas in which the US is actively pushing To, uh, slow down other countries from taking action.

For example, the International Maritime Organization has been considering putting a levy on emissions of international bunker fuels used for shipping, uh, which is a growing sector.

Still relatively small, but a growing sector, uh, in, uh, in greenhouse gas emissions.

"The Trump administration's actions on climate, both international and domestic, will have repercussions long beyond the next few years," says Mayer.