India, Sept. 27 -- US President Donald Trump used his address to the United Nations General Assembly earlier in the week to attack a plan by the International Maritime Organization (IMO) to cut greenhouse gas emissions from global shipping. He called it a "first-ever global carbon tax" that his administration had stepped in to stop.

"Last year, my administration was forced to intervene to stop an obscure UN body, the International Maritime Organization, from secretly establishing a first-ever global carbon tax - very expensive tax - to raise international shipping costs by 10 to 20%, and maybe even more than that," Trump said. "There is no global government, and while I'm president, there will be no global taxes," he claimed.

The IMO's ...