but they're recycling facility wilko and balcombe attending to future challenges they want to share their designs technology with other recycling operations that too plastic waste could be turned into reusable products that would create jobs and protect the environment and could even help save lives. what a good example of how little it takes to make a big difference sometimes it is hard in germany companies researching how to purify dirty water more efficiently and the best qualities the hydrogen created as a byproduct can be used to fuel cars sounds incredible but it's actually one of those they are still in the test phase. the big cities generate a lot of waste water. here in berlin much of it gets processed at this see which treatment plant. it deals with the effluent of more than a 1000000 people a quarter of the city's population. the water passes through a series of filter beds. within a day 98 percent of the impurities are removed. nature deals with the other 2 percent after the water is fed back into the outside world. with poppy that's in the fire we release the treated waste wa