Science & Technology - Basics of computer use, online access to health information and shopping, videoconferencing - DigitalLearn has courses and resources on all of these topics and more.

TechBoomers - Online courses on computer basics, safe internet shopping, and many beginner tech topics.

Encyclopedia of Global Warming - Access from inside the library or from outside the library.

O'Reilly eBooks - eBooks that you can read directly on your screen as well as lessons, lectures, and additional material. Covers a wide range of computing topics.