General
- Society for Marine Mammalogy
- International Association for Bear Research and Management (IBA)
- IUCN Red list
- Marine Mammal Protection Act (MMPA) (digest)
- The American Society of Mammalogists
- Species at risk in Canada
- Polar Bears International
- USGS Alaska
- Nunavut Environmental Database
- EDF Circumpolar Atlas of Environmental Concerns
- North Atlantic Marine Mammal Commission (NAMMCO)
- Wildlife Biology
- Polar Bear Patrol (WWF Russia)
- Polar bears in Alaska
- Space for Species
- WWF International on polar bears
- USGS New Polar Bear Findings 2008
Species fact sheets
Threats
- International Panel of Climate Change (IPCC)
- Arctic Climate Impact Assessment (ACIA)
- Bering Sea Impact Study (BESIS)
- AMAP
- UNEP POPs page
- UNEP Chemicals
- Alaskan Clean Seas
- Northern Contaminants Program (Canada)
- International Programme on Chemical Safety
- Pest Management Resource Centre (UK) Ecotoxicology pages
- World Health Organization fact sheets
- WHO Environmental Health Criteria Series
- WHO publications - chemical toxicity, carcinogenicity
- Sea Ice Outlook
- NOAA Arctic Report Card
- NOAA Arctic Theme Page
Conventions and agreements
- Convention for Biological Diversity
- Convention on Biological Diversity (Canadian site)
- CITES
- Bern Convention
- Bonn Convention
- UN Framework Convention on Climate Change
- Stockholm Convention on persistent organic pollutants (POPs)
- Convention on Long-Range Transboundary Air Pollution (LRTAP)
- OSPAR Convention