It's hard to imagine a species that is so feared and yet is under so much threat of extinction. An old friend of mine Michael Skoletsky is a long-time diver. Over the last few years he has become increasingly concerned and passionate about the threat faced by sharks. To that end with five other fellow divers, he founded sharksavers.org.
Their mission is to educate people about impact we are having on sharks and why it's so important to save them. In their own words.
It's a worthwhile cause. Please check them out. It's a good site too!