Prime Minister Gordon Brown backed plans Monday to expand Heathrow airport with a third runway, saying Britain's prosperity depends on improving transportation.
Environmentalists and other critics have opposed the expansion plan, saying it contradicts Britain's pledge to be a world leader in combatting climate change.
Brown said it was imperative to increase capacity at Heathrow. Europe's busiest airport was designed to serve about 45 million passengers a year, but now sees around 68 million.
"Our prosperity depends on it: Britain as a world financial center must be readily accessible from around the world," Brown told a meeting of the …






