American Institute of Architecture
http://www.aia.org/

BRE Environmental Assessment Method
http://products.bre.co.uk/breeam/index.html

Carbon Trust
http://www.carbontrust.co.uk

Chartered Institution of Building Services Engineers
http://www.cibse.org/

Energy Efficiency and Renewable Energy
http://www.eere.energy.gov/

Institution of Structural Engineers
http://www.istructe.org.uk/index.asp?bhcp=1

Leadership in Energy and Environmental Design
http://www.usgbc.org/DisplayPage.aspx?CategoryID=19

LIFE. Tomorrow’s clean energy. Today
http://www.life-ic.com/life/

National Renewable Energy Laboratory
http://www.nrel.gov/

Royal Institute of British Architects
http://www.riba.org/go/RIBA/Home.html

Scottish Executive
http://www.scotland.gov.uk/Home

University of Aberdeen
http://www.abdn.ac.uk/idx.php

Whole Building Design Guide
http://www.wbdg.org/index.php