Centers for Disease Control and Prevention
Centers for Disease Control: Atsdr: Cadmium
Detailed question and answer format site with information on cadmium exposure and its health effects. Very readable.
Encyclopedia of Earth
Encyclopedia of Earth: Cadmium
Information about the element, Cadmium, atomic number 48. Covers physical and atomic properties, how abundant it is on the Earth, sources, its presence in the environment, uses, substitutes, and health considerations.
Other
International Cadmium Association: Cadmium
The International Cadmium Association offers a very informative site on cadmium applications, environmental concerns, collection, and recycling.
Other
Rechargeable Battery Recycling Corporation: Call2 Recycle
This resource provides information about rechargeable batteries, recycling, and conservation.
University of Kentucky
Chem Comics: Cadmium
Three comic strip pages that mention cadmium and provide a little bit of information on the metal. A different way to get some information across.
TED Talks
Ted: Ted Ed: Cadmium: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. In this video, we take a look at cadmium, a highly toxic element used on pots, pipes, and for all kinds of other applications. [1:50]
US Geological Survey
U.s. Geological Survey: Cadmium
The U.S. Geological Survey offers a nice listing of available documents on cadmium and cadmium mining.
Web Elements
Web Elements Periodic Table: Cadmium
This site provides information on the physical and chemical properties of Cadmium.
Chemicool
Chemicool: Cadmium
A nice presentation from Chemicool of basic data and information on cadmium. Easy to follow.