Used sponges are teeming with bacteria. You should better replace them weekly instead of sanitizing them.
One of the 16 teams involved in a collaborative project funded by the Bill & Melinda Gates Foundation that aims to help some of the 2.5 billion people around the world lacking safe and sustainable sanitation recently unveiled their innovative design: a solar-powered toilet that treats solid waste by effectively carbonizing it. The concentrated solar power delivers high energy in
Nairobi, Kenya is home to one of the world’s biggest slums, more than one million people living in subhuman conditions in the African state capital. I’ve seen and read a lot of reports from there, and other African states alike, and the situation is indeed dire. Imagine having nothing to eat – now imagine having to poop the scraps of