CAT
the centre for alternative technology in wales – started in 1973 …. the year i was born!
Jo
Green specification
Back when I was at uni sites like this only existed in my geeky imagination…
http://www.greenspec.co.uk/
It's not rocket science
The first principles of eco design….
http://www.risingtide.org.uk/tyh/eco-prin/princip.html