by a team of european and african scientists the project is led by professor john from the university of khan's way in germany the team has come up with a new system green use west water in order to cut costs while boosting efficiency. one develop a system for the market it's called research aquaculture so this is to make. hundred percent water reuse water is circulation so it's mentally very friendly because there's no water going through and there's no nothing spoiling the environment and we make use of renewable energy in order to reduce c o two footprint. in the tunnel on the side of the lake it's already in place the water is filtered using what's known as membrane bio reactor technology. in uganda has been using recycled water in hotter in the last eighteen months the used water is pumped into our tongue from there it flows into this busines which contains tomes and sun that help clean the water. wants to use recycled water to have big points too. so we already have the system and it has proved to be very efficient for us using the same water we maintain the same temperatures because that

killed in khan's new as police fought supporters of opposition parties which were barred from last sunday's election. heavy shelling in rebel held areas of northern syria has forced the university of it live to send students home and the eastern country side of it live has come under fire from russian and syrian government strikes the attacks are the latest violation of an eight month old truce brokered by russia and turkey. are the headlines keep it here or news to come inside story is next. trapped and hungry in libya as opposing armies battle for control of tripoli thousands of african refugees are in detention centers how do they end up there and as food and water runs out looking after them this is inside story. hello and welcome to the program on iran come on then to libya illegally from all over africa hoping it's a stepping stone to starting a new life in europe that many a cold on this as dangerous and stressful journey they sent to detention centers in the suburbs of tripoli and other cities but the u.n. recognize government in the capital in charge of the refugees is fighting for its life trying to stop a takeover by warlord holly for. so the refugees are trapped in

to ring network with piety khan for and duke university to my surprise he just my attention 1st to something quite mundane the road speaking almost like 50 micrograms off of the past which was picking up just when that activity was happening for the wrong extra vice monitors fine particles in the air including something called b m 2.5 which is smaller than the weight of human hair this tiny particle is a mighty healer it has been linked to nearly 3000000 deaths around the world in 2017 but more than half of them occurring in china and india. although the indian government disputes mortality figures. directly linked to absolution b m 4.5 of the most harmful pollutants to humans you know it goes deeper than the body it settles in the lungs and over an extended eurasian you know it definitely caused all the respiratory problems while many disorders people like walk faster but the people who are actually doing the work they're exposed to this on an extended duration they are but be. there's more to the east application than just for good us to go in. and so we set off to take measurements around the city etc right now we are quite busy oh yeah the field $2.00