Apple is offering recycling programs for computers, iPods and cellphones.

For CPU recycling:
http://www.apple.com/environment/recycling/program/index.html [1]

For iPod recycling:
http://www.apple.com/environment/recycling/ipodrecycling/ [2]

For cell phone recycling:
http://www.apple.com/environment/recycling/ipodrecycling/ [3]