Bollywood actor Aamir Khan on Friday launched ambitious waste collection project in the city and said that waste management was the first thing that comes to the mind when we think of various urban problems.The actor, who launched 'Waste Free Jodhpur' project from the Umaid Singh Stadium, said waste accumulation was one of the biggest menaces of the urban India. "I wish I could launch such a drive in Mumbai, but I am happy that Jodhpur took this initiative and expressed its determination to deal with one of the biggest menaces of the urban India," Khan said.