Links in this category of editors choices cover some of these topics:
sustainable development, economics, housing, livability, planning, urban design, building, structures, facilities

• Sustainable Energy Development Authority (SEDA) [nsw]
  • reduce greenhouse emissions, sustainable energy technology, renewable, cogeneration, rating, accreditation, efficiency
• Environment Australia - Industry [aus]
  • encouraging improved environmental management practices
• Permaculture Research Institute [aus]
• Australian Ethical Investment [aus]
• National Association of Forest Industries (NAFI) [aus]
• Australian Conservation Foundation (ACF) [aus]
• Institute for Sustainable Futures (ISF) [aus]
• Australian Greenhouse Office (AGO) [aus]
  • abate greenhouse gas emissions, Greenhouse Challenge, cooperative agreements with industry
• Papua New Guinea Rainforest and Biodiversity Information [png]
• Papua New Guinea Virtual Library [png]
• Land Channel [vic]
  • the window to all distributed government land-related information and services in Victoria
• NSW Environment Protection Authority (EPA) [nsw]
• FloraBank [aus]
  • supports collection, management, and distribution of Australian native seed, fact sheets, seed germination sheet, seedbank, contact details directory
• Michael Mobbs' Sustainable House [aus]
  • grey water recycling, surplus solar energy fed back to grid, no waste water, Sydney's sustainable house at Chippendale
• Nature Conservation Council of NSW (NCC) [nsw]
  • peak umbrella organisation for community, conservation and environment groups, excellent search facility, links wide range environmental groups
• Canberra Organic Growers Society Australia (COGS) [act, aus]
  • links to many relevant organic WWW sites
• Australian Renewable Energy Website [aus]
• Twinshare - Tourism Accommodation and the Environment [aus]
  • sustainable development principles
• Wool Store Insulation [aus]
  • woolbatts, Australian wool insulation, sheep wool
• Green Innovations Inc. [aus]
  • environmental think-tank, environmental services, Greenleap email list for people helping society leapfrog to an ecologically sustainable economy

Region codes [aus, nz, ant, ...] indicate the state or country that each site is relevant to.