What is the worst shark attack ever? Why it’s the mass slaughtering of sharks. We decimate 100,000,000 sharks a year = 190 sharks a minute = 3 sharks every second. Sharks are headed towards extinction within a decade which would throw the ecosystem so off balance that humans may not survive this catastrophe, since sharks were around long before trees or birds. What, if anything, can be done to stop this cataclysmic trajectory? Leonardo DiCaprio, The Cure, Veronica Grey & MGMT offer possible solutions to salvage this threatened planet.