This introduction to the world of gems and minerals contains some 225 alphabetical entries. Each mineral entry list such scientific information as the characteristic mineral form, the specific gravity, the system of symmetry, the refraction, and the hardness of the mineral.
This book presents informative text on various weather conditions--heat, drought, cold, floods, thunderstorms, windstorms, tornadoes, fog--but its heart is its many-faceted collection of extreme weather data for some 300 US cities, presented in tables.
This book has become the standard introductory text for explaining the mechanics and the implications of global warming ... it provides one of the most readable and authoritative statements of the basic science and its implications.
Provides answers to more than 1000 frequently asked questions about the weather, this reference also offers information on topics such as hurricanes, droughts, flashfloods and volcanoes. Weather-related phenomena such as the greenhouse effect, Aurora Borealis and St Elmo's fire are also covered
The National Geographic Society has been inspiring people to care about the planet since 1888. It is one of the largest non-profit scientific and educational institutions in the world. Its interests include geography, archaeology and natural science, the promotion of environmental and historical conservation.
The home page for the association of professional meteorologists. Most of the content of the popular journal, Bulletin of the American Meteorological Society (BAMS) is available free to non-members. Other journals allow full access to articles earlier than the last two full years.