Former central banker Mark Carney picked up a handful of endorsements on Tuesday, including from the government's most vocal climate champion, as the Liberal leadership race whizzes ahead on a tight timeline.

OTTAWA—Mark Carney, the former Canadian and U.K. central banker, formally declared his interest in succeeding Justin Trudeau as leader of Canada’s Liberal Party and the country’s prime minister, promising an economic agenda focused on lifting it from a period of stagnant growth.

The former central banker for the UK and Canada pitched himself as a someone who can help a country navigate economic challenges.