The shower of the future will save the planet, but at a high price
 

Aside from building a coal-fired power station, the thing that activates your brain's climate-guilt gland the fastest is taking a luxurious bath. Unfortunately, using a shower isn't that much better for the planet, which is why Dutch startup Hamwells...

http://www.engadget.com/2015/12/07/hamwells-e-shower/