Encyclopedias Online: Geology

This encyclopedia brings together in-depth information on more than 450 natural geographic features from around the world and offers an array of creative tools to promote critical thinking and classroom discussion.

Each entry features numerous cross references and definitions of weather and climate-related terms as well as additional sources for further study

National Council for Science and the Environment (NCSE).
The Encyclopedia of Earth covers a wide range of earth science topics, from the earth, to its natural environments, to water profiles of selected countries.

Encompassing tsunamis, elephant conservation, ocean pollution, mining regulation, and permafrost melt, the 300 authoritative articles in this unique and wide-ranging encyclopedia investigate all types of phenomena that change life on Earth.

The nearly 750 entries in this 3-volume encyclopedia cover a vast range of topics affecting global warming and climate change.

This authoritative, alphabetically arranged reference, featuring more than 200 succinct articles by leading scientists from around the world, provides broad coverage of all the island sciences.

The majority of the entries are devoted to explanations of paleontological concepts and techniques, examinations of the evolutionary development of particular organisms and biological features, profiles of major discoveries, and biographies of leading scientists.

The Encyclopedia of Volcanoes is a complete reference guide to this subject, including studies of the origin and transport of magma, of eruptions, and of effusive volcanism and explosive volcanism.