Entrepreneur turns Pakistan’s tons of garbage into a handsome profit while saving the environment.

“Clean” and “green” are words not usually associated with the streets of Lahore, but a garbage collecting business is changing the image of the Pakistani city.

And it is making millions of dollars in the process, by turning waste into liquefied petroleum products and fertiliser for farmlands.

Al Jazeera’s Kamal Hyder reports from Lahore, Pakistan.