- Intergovernmental Panel on Climate Change (IPCC)
- NSIDC Arctic Sea Ice News & Analysis
- National Oceanic and Atmospheric Administration (NOAA)
- NASA Goddard Institute for Space Studies (GISS)
- NOAA Climate.gov
- US National Academy of Science: Earth & Life Studies
- US National Center for Atmospheric Research
- US Environmental Protection Agency
Links for Science 
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