banku estimate that we need to build houses for 2000000000 people by 10 to 15 and. most of these houses need to be built in country where they. don't like they're building material costs more done and they lend some time. therefore having much like super much you know it's really important it's part of our dream and. so. being able to implement. these in the africa will be a huge achievement for us all and then boom people to have. affordable safe decent and. same time sustainable accommodation. the display home is one step closer to fulfilling that dream but drawing walls will undergo further tests as the 2 scientists work to optimize their earth concrete. one day they hope it will be a bedrock of the construction industry. this weekend label ideas we find out about a potential shift towards climate friendly methods of transport our reporter julie a small gambler hopped on a motorcycle and rode around uganda's capital kampala due to the coronavirus crisis the normally chaotic roads are empty and the city could become the starting point for a transport revolution ac