This chapter of the GLOBE Teacher's Guide presents information on how to characterize soil profiles and measure soil moisture and temperature. K-12 students from all over the world are participating in the Global Learning and Observations to Benefit the Environment (GLOBE) program by taking environmental measurements at their schools and sharing their data via the Internet. Measurement protocols and ... Full description.

This National Soil Survey Center (NSSC) website provides details about teaching soils in the classroom. There is information for teachers about what soils are, how they form, how they are classified, and what the soil survey does. There are lesson plans and activities on soil erosion, organic matter, soil air, particle sizes, texture, and monoliths. The site offers downloadable poster and PowerPoint ... Full description.

This site explains what soil is and why it is important, describes some of the organisms that live in the soil and how they interact to provide food for plants and for each other, illustrates the food cycle, and provides soil facts in different contexts. There is an Adopt a Soil Critter section and a soil quiz. Activities include coloring, collecting bugs, observing soil color and texture, and making ... Full description.

This collection of over 1000 geoscience images is made available to the geoscience community and general public for the purposes of enhancing Earth education, and serving the community of science that the American Geological Institute supports. This digital archive was released to the public in June 2003, after nearly a year of work acquiring, scanning, and indexing images. Users may search, browse ... 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.