Wion Dispatch: Leaders of Sindh take on Imran Khan over mangroves forest

With the population of 20 million people Karachi is Pakistan's largest city, A short distance from Karachi is the world's largest arid Mangroves forest. Pakistani government wants to build a mega housing project on an island on the outskirts of the city, but environment activists say the real estate project threaten the very existence of arid Mangroves forest.