lagos may have found a more sustainable alternative civil engineers dr vall from schmidt and dr colo wallie a decent all a not a share a common mission finding the construction material of the future and they reckon they're on to something the peel is the root vegetable cause salva has properties that could help building sites to be more environmentally friendly. cement as lancaster grows to cement is the biggest villain when it comes to the environment because making it produces lots of c o 2 that consumes a lot of energy continue it. cement is a key ingredient of concrete hoping to make it hard but not to all in our day has discovered that the ash burnt kosov appeal can do much the same. we have the irish and we have found out we have produced concrete with it you up with with it i mean strengths which is one of the made your our properties of concrete very very much compared with the more concrete there we have to do. it's a discovery that can be useful to many parts of africa where he's grown in huge quantities the peel is normally a waste product and so readily available that makes it