These Shoes are Made of Algae, and They Help Clean This Lake in China

More than 2 million people were left scrambling for safe drinking water after China‚Äôs Lake Taihu exploded with algae a decade ago, and ever since then, the government has been spending hundreds of millions of dollars a year trying to solve the problem. One of the most awe-inspiring solutions involves harvesting algae from Lake Taihu […]