| Our environment is fragile and we need
to be educated as to how fragile it is and what we
can do to preserve our Biosphere. The USGS has an
FAQ regarding the hazards to our environment:
GeoChange FAQ
There is a wide variety of Earth
related websites. Some of the more important ones
(in my opinion) are listed below:
Some great NASA and JPL references:
From the USGS:
The USGS and NASA websites have deep in their
servers wonderful resources of images, diagrams and
publications for students and educators:
A wonderful summary of Earth's structure is in .pdf
(Adobe Acrobat) format produced by NASA. You can see
it
here.
Additional information from the JPL Solar System
website:
NASA Fact Sheets:
Earth Fact Sheet
Planetary Fact Sheet Notes
Notes on the Fact Sheets
Miscellaneous:
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