Pixel got a score of 105 in the LEED (Leadership in Energy and Environmental Design) rating – the highest score at the time. Despite being one of the greenest buildings in the world, its design is controversial and many people are not fans of the artistic design. Even so, it is a unique building, thanks to both its design, as well as its ability to conserve and utilize natural, renewable resources. It uses solar panels, vacuum-flushed toilets, and an anaerobic digestive system, which converts human waste into heat energy.
