http://www.nws.noaa.gov/ National Oceanic and Atmospheric Administration's National Weather Service
Science Daily - Earth Science. "Your source for the latest research news." Atmosphere, climate, weather, earth science, geography, geology, oceanography and more. News, articles, videos, and images.
http://science.howstuffworks.com/environmental How Stuff Works Environmental Science. Concervation, energy production, green science and technology, earth and life science.
http://science.howstuffworks.com/nature How Stuff Works Forces of Nature. Climate and weather, natural disasters, atmospheric science, meterologists, meteorological instruments, storms and more
http://www.epa.gov/climatechange/ U.S. Environmental Protection Agency. Climate change indicators, science, green house gas emissions, climate economics, health and environmental effects and more
http://www.wmo.int/pages/index_en.html World Meteorological Organization. Weather, climate, water, oceans, environment, research and more