| geocities.com | Centre for Environment, Social & Economic Research (CESER) |
| montana.edu | Climate Change Research at Montana State University |
| umn.edu | Biodiversity Bibliography |
| anzsee.org | Australia New Zealand Society for Ecological Economics |
| aere.org | Association of Environmental and Resource Economists |
| uqam.ca | EDIRC (Economics Departments, Institutes and Research Centers) |
| earthlink.net | Durable Economics |
| cato.org | The Cato Institute: Public Policy Analysis, Limited Government, Free Markets |
| brook.edu | The Brookings Institution |
| dieoff.org | Die Off |
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