Dirt

Top 10 Poo-cycling Projects of 2011

From public composting toilets in San Francisco to street lamps powered by dog poo in Phoenix, 2011 saw an abundance of experiments to find new uses for human and animal waste. Here’s Earth911’s picks for the top 10 poo-cycling projects of the year, and we leave it up to you to decide: gross or green (or both)?

1.  Panda poo fertilizes the world’s most expensive tea
An Yanshi, a university lecturer in China, found a way to recycle panda poo this year, securing a patent to use the animal waste as fertilizer for a tea that will sell for as much as … read more