. - engineer ziad abichaker runs cedar environmental, a sorting, composting and recycling business that aims to reduce the volume of waste across lebanon. unfortunately, we still landfill 90% of the trash of beirut. 90? yes. where do you start tackling an issue that huge? we've been... you know, we've been haggling with this for the last 30 years. telling them: "listen. eventually, you will run out of space. you need to implement an integrated plan where you start sorting at source. you build recycling facilities, sorting facilities." most of our trash is food waste, so it's compostable. these panels are made from plastic bags and disposable plastics. right. and then the planting media is red soil mixed with compost, and compost came from our food waste. yeah. if we put in a small waste management system, we can turn the city green. - ziad's work is changing the way beirut treats and manages its trash. check it out. - with a zero-waste objective, his company is creating all sorts of ideas to transform trash into something useful. among the most successful projects are these eco-boards.