![](https://ktvz.b-cdn.net/2024/03/WJsLTlQf-osKcX94i-News-BG-NC21-logo-1200x675-1-860x484.jpg)
A third of shark species face extinction. Here’s what one man is doing to help
Miami, Florida (CNN) — Diego Cardeñosa has loved sharks ever since he was a child. The Colombia native was never afraid of them when he visited his beloved beach. Instead, he was fascinated with how sharks move through water using their multiple fins. It’s …