President Donald Trump last year pulled the United States out of the pact, making the country the only one opposed to it.
Bloomberg, in a CBS interview, said he hopes by next year Trump will have changed his mind.
Bloomberg will continue to provide money for the pact if the United States does not rejoin the agreement, according to a news release from Bloomberg Philanthropies, the charity he founded.
Trump staunchly opposes the agreement and his administration has rolled back a number of environmental regulations.
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.