Default1 Default2 Default3 Which of these things do we see in the documentary? Click on five things. 1 3 4 6 8 A shower which uses rain water and solar energy. A washing machine which uses just one litre of water. A front door which recognises people's fingerprints. A computer which controls the temperature and music in the home. A fridge which tells you when food has gone bad. A chair with a built-in library. A generator which makes electricity using rubbish from the kitchen. A solar-powered television. https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_green.swf