Good Geology Resources
Skepticism of global warming skepticism
Government funded Science organization made in 1879. You can find MANY things there. Check out their About page for more info!
Some interesting Geology articles & explanations
Notes on this topic in geophysics
Drafts of chapters; book is apparently to be published soon, but the drafts are available free online
General geological maps for the earth
'Tools / Reference / Exercises'
Most extensive online reference for minerals; includes photos, localities, diagrams, you name it
A huge knowledge database for earth science which contains information about various topics
Great website to learn about what actually causes meteorological events rather than the old wives tale version
HUGE amount of data, including element concentrations of various reservoirs in different earth systems (in GERM section), and paleomagnetic data.
' 'collection-based occurrence and taxonomic data for marine and terrestrial animals and plants of any geological age 'PhET Earth Science' Java apps hosted by University of Colorado, topics include glaciers and the greenhouse effect