Diving & Marine
Australian Institute of Marine Science (AIMS): monitors the marine climate, environment and sea life.
British Sub-Aqua Club (BSAC): diving training and resources.
Divers Alert Network (DAN): diving safey assocation with a 24-hour emergency hotline.
ISAF, Florida Museum of Natural History: International Shark Attack File - information compiled on shark attacks.
PADI: diving training and resources.
Shark Info: international shark research.