Recycling Ink Guide
If you throw away your ink jet, photocopier, fax or laser toner cartridges, you might consider refilling them (see places like Cartridge World). They will even pick them up from you for free if you have five or more. Call them for more information on 0131 554 9977.
To dispose of or recycle computers which still work, try Computer Aid or call them on 020 8361 5540