This page lists some of the useful websites containing data and reference materials on the state of natural and human systems, as well as articles analyzing current affairs and global trends. We do not necessarily agree with all the content on these websites. As we have only begun to develop this list, please let us know about other interesting websites at  This e-mail address is being protected from spam bots, you need JavaScript enabled to view it .

American Society for Cybernetics: www.asc-cybernetics.org
Association for the Study of Peak Oil: www.peakoil.net
Authentic Happiness: www.authentichappiness.sas.upenn.edu
Earth Policy Institute:  www.earth-policy.org  
Economic Strategy Institute: www.econstrat.org
Foundation on Economic Trends: www.foet.org
Genuine Progress Indicator Online: www.gpionline.net/index.htm
Global Footprint Network: www.footprintnetwork.org
Green Energy News: www.nrglink.com
International Futures: www.du.edu/~bhughes/ifs.html
Institute for the Analysis of Global Security: www.iags.org/index.html
Institute for Sustainable Futures: www.isf.uts.edu.au
Millennium Development Goals Report: unstats.un.org/unsd/mi/pdf/MDG%20Book.pdf
Millennium Ecosystem Assessment Reports: www.millenniumassessment.org/en/products.aspx
Minnesota Sustainable Communities Network: www.nextstep.state.mn.us
NASA Goddard Institute for Space Studies: www.giss.nasa.gov
Oil Depletion Analysis Centre: www.odac-info.org
Resilience Alliance: www.resalliance.org
Resources for the Future: www.rff.org
Rocky Mountain Institute: www.rmi.org
The Happiness Show: www.thehappinessshow.com
UNDP Human Development Reports: www.undp.org
UN Systems-wide Earthwatch: earthwatch.unep.ch
World Bank World Development Reports: www.worldbank.org
World Resources Institute: earthtrends.wri.org
World Values Survey: www.worldvaluessurvey.org
WWF Living Planet Report: www.panda.org/news_facts/publications/living_planet_report
Worldwatch: www.worldwatch.org