Encyclopedia of Earth: http://www.eoearth.org/ (EoE)
"Emphasis on the interaction between society and the natural spheres of the Earth."
Federation of Earth Science Information Partners http://gos2.geodata.gov/wps/portal/gos
"...a network of researchers and associated groups that collects, interprets and develops applications for satellite-generated Earth observation information."
Includes administrative, geological, environmental, and sociological categories as well as many more topics of immediate concern such as hurricanes and wildfires.
Green Map Atlas: http://greenatlas.org/ (Green Map System)
Promotes sustainable communities.
Renewable Energy Atlas of Alaska
http://www.aidea.org/aea/Reports%20and%20Presentations/EnergyAtlas2007.pdf(Alaska Energy Authority)
A 28 page pdf highlighting the various energy sources in Alaska.
Weather Map Sites: http://www.lib.utexas.edu/maps/map_sites/wea_sites.html