- Appropedia – the sustainability wiki
- Wikipedia – encyclopedia
- Sourcewatch – collaborative, specialized encyclopedia of people, organizations and issues shaping the public agenda.
- ClimateChange – United Nations
- Climate Council – independent, evidence-based organisation on climate science, impacts and solutions.
- The Australia Institute – influential public policy think tank
- Beyond Zero Emissions – internationally recognised think tank
- The Conversation: In-depth analysis, research, news and ideas from leading academics and researchers.