How do I find out about the embodied energy of materials, including structural, insulation, sheathing, siding and boarding?

This is an Australian web-site but very interesting: http://www.greenhouse.gov.au/yourhome/technical/fs31.htm
This one is a Canadian web site but seems to have the same source: http://www.canadianarchitect.com/asf/perspectives_sustainibility/measures_of_sustainablity/measures_of_sustainablity_embodied.htm
The last one is an Indian publication: http://www.ese.iitb.ac.in/events/other/renet_files/21-9/Session%203/Energy%20in%20buildings(B.V.V.Reddy).pdf







