An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.
Last week, I spoke at the International Civil Aviation Organization (ICAO) Assembly and said that we must agree on a comprehensive approach to achieving carbon-neutral growth. I was proud to represent the United States as an early adopter of the global market-based measure (GMBM)...