Tag Archives: invent

The BeeVi toilet at a university in Ulsan is connected to a lab that breaks down waste into methane. The methane then powers a gas stove, hot-water boiler and other items in the lab. Students who use the loo are given credits, which can be exchanged for snacks, coffee and even books on campus.

The world has to change if it’s to survive: here are some of the most interesting innovations that could save the planet.