and we are learning th at sina and that's why often not everybody will become an entrepneur, but manyof our scholars who have been at sina have found jobs. >> one of the solutions led to kampala, where plastic waste is a huge problem. 350,000 tons of trash accumulates in the ugandan capital every year and only half of it is disposed of. much of the plastic lands on this trash dum recycling isn't common here. johnmary kavuma pays young trash collectors to gather bottles that he can then use to build houses. >> every time that i come here i give some money to other people to recycle and keeping our environment clean. it gives me a lot of hope that the future generation will inherit a healthy planet that we have protected from plastic waste. >> earth is pressed into the plastic bottles to make bricks. many women work for kavuma's business, giving them the chance to earn their own money. >> our wages were raised recently. now i can pay my dauter's university tuition, and give her the opporunity to graduate. >> kavuma sa the houses are cool inside even on hot days his buness has aeady cotr