This site contains various kinds of textual information and imagery of Emiliania huxleyi, an armour-plated, photosynthesizing, single-celled marine phytoplankton and dominant coccolithophore in the ocean. Numerous summaries of the species are provided, including information on its occurrence, global distribution, effects on the carbon cycle and global climate, calcification, vital statistics, cellular ... Full description.

This is a collection of Java applets that can be run through web browsers. Each applet is designed to present a concept generally related to atmospheric science and is highly interactive to encourage discovery. Topics include satellite image interpretation, the formation of contrails, a hurricane model and solar radiation intensity as it varies with latitude and time of year. Full description.

This National Snow and Ice Data Center website presents a variety of general information about snow. It includes a question and answer section, which explains why snow is white, and the difficulties of forecasting snow, for example. There is a snow fact sheet, a glossary for snow terminology and weather terms, and a photo gallery of snow storms, ice storms, blizzards, avalanches, and other snow phenomena ... Full description.

Natural indicators of climate change, such as melting glaciers, changes in time of flowering of trees in spring, and bird migrations are excellent indicators of long-term changes in climate. The behavior of animals and the characteristics of plants can be biological proxies for long-term scientific measurements. They are an accumulated response to long-term shifts in the surroundings, and they are ... Full description.

This site offers links to educational weather and science resources. There are games and activities on clouds and lightning, the water cycle, hazardous weather, and our changing global climate. A Fun Fact of the Month provides weather-related trivia. Full description.

This resource provides an overview of the concept of global warming, which is thought to be due to man-made emissions of greenhouse gases, which are largely a result of the burning of fossil fuels and deforestation. It explores the possibility that the impacts of global warming may include desertification and the destruction of other ecosystems, extreme weather conditions, and a danger to agriculture. ... Full description.

This Classroom of the Future (COTF) website focuses on Earth science for kindergarten through 4th grade students. Topics covered include biomes (forest, desert, grassland, aquatic, tundra, chapparal), weather (seasons and climate), remote sensing (sonar and radar), and the Earth system (spheres and cycles). A teacher's section contains online and hands-on activities, and topic overviews. Full description.

The AAAS (American Association for the Advancement of Science Atlas of Population and Environment is an important analysis of the relationships between human population and the environment. Through text, maps, and diagrams, the Atlas illustrates how population affects the world's ecosystems and natural resources both in the short and long term. Using sophisticated mapping and graphic techniques, the ... Full description.

GreenHouse Gas Online catalogues greenhouse gas related articles published in over 100 peer-reviewed journals from around the world. Only journal articles with freely available abstracts are included. The latest general news and journal articles can be found listed by title, while links to archived material is available by topic. Pages devoted to background information on the various greenhouse gases, ... Full description.