Imagine living in a house that contributed to society: a house that produced energy, while consuming none itself.

The ZEB house is one example of a new type of property designed to produce surplus energy. Photograph: EVE
Well, imagine no more. After perfecting the “passivhaus”, which consumes minimal energy, engineers and architects have developed the energy positive house.



We’ve been told that beef uses an enormous amount of water and that cutting it out of our diet can be a great environmental choice. In this video, created by 












