Ecosystems, Conservation, Ocean Studies, GIS, Hydrology - you can download free digital textbooks on all this and more from the Earth Science section of National Academies Press. Price listed is for delivery of paperback copies.
MERLOT is a curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community.
MIT's Earth, Atmospheric, and Planetary Sciences department offers an extensive series of online courses. Courses generally include lecture videos, assignments, exams, and more.
Under the Science, Maths & Technology subject seven geology courses are available such as "Practising science: Reading the rocks and ecology", "Plate Tectonics", and "Minerals and the crystalline state."
HathiTrust is a partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world.
The servicewide Geodiversity Atlas provides information on geoheritge and geodiversity resources and values all across the National Park System to support science-based management and interpretation.
We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change.
by Miguel Vera 