every day mohammed tahar tends to his garden for 3 years now the morrison has been planting different vegetables on the rooftop terrace of his mosque in the quarter of a teen. it's a patch of green in the concrete jungle of cairo. illinois. mainly looking to create a clean atmosphere in the area and on the roof. not much more than that. the income generated from this goes into the charity trust here at the mosque. he often brings his grandchild along who really loves rock ale. mohammed didn't have to pay for the equipment cairo based organization should do installed it for free. shareef cousin e and his brother set up the n.g.o.s 8 years ago they decided to work with hydroponics because that requires little water and no soil and the space for the efficient system on practically any rooftop. do that for families with low income this kind of project can raise income a little bit. of them a 3rd be available for that so it doesn't have only environmental benefits if it. but also social ones. in poorer districts like hell while roofs are often cluttered with old trash should do things now