To have a cleaner and safer environment, a toilet plays an important role. Designer Dang Jingwei of Central South University in China created the portable toilet. It is made of paper, thus a low-cost product, can be easily produced, and is a biodegradable one. If you think that this is yucky, know more something about the portable toilet that made this product unique. The portable toilet is filled with soil and coal ash preventing it from any possible leakage thus making it a unique and clean toilet. With the portable toilet, there will be no reason for some less fortunate people to leave a clean way of living.