A new bicycle called "A hi fambeni" - translated as "lets go!" - is powered by a hydrogen fuel cell rather than a battery. It is made from light and strong materials. The design is meant to accommodate the transport needs of people living in rural villages. The bike is in fact a tricycle, with a rear "boot" for carting shopping, produce and baggage.
A high school student has found a way to deal with the billions of plastic bags that end up in landfills and the ocean. The solution is bacterial!
Ueea is becoming quite the sustainable ingredient. Beyond being tapped as a good source of hydrogen, it's powering batteries and is now being used to make sustainable bricks.