More than 6,000 entries on "topics including climatology, economic geology, geochemistry, oceanography, palaeontology, petrology, and volcanology" as well as "planetary science, remote sensing, statistics, and sequence stratigraphy, wind strength scales, material, temporal, and chronostratigraphic units, geologic, lunar, and Martian time scales...

"Contains over 6,250 entries on all aspects of ecology and related environmental scientific disciplines such as biogeography, genetics, soil science, geomorphology, atmospheric science, and oceanography...

More than 1,800 entries on "weather, forecasting, and climate terms, along with detailed illustrative examples of specific events and weather extremes...

Full text access to some of the essential reference works in the Environmental Sciences, published by the Oxford University Press...

Contains more than 12,000 terms covering all types of phenomena relating to weather and the atmosphere, including not only includes not only the physics, chemistry, and dynamics of the atmosphere...

Database for nearly 2 million physical and cultural features in the United States, census information for 98,000 local areas and distance calculations for 177,000 populated places...

Online encyclopedia covering many areas in the sciences: chemistry, computer science, earth science, environmental science, forensic science, mathematics, physics, space and astronomy, and weather and climate...