Did you know that some shark populations have declined due to overfishing? Did you know that some once-declined shark populations have recovered? If you’re like my twitter followers, it’s likely that you’ve heard the bad news, but have not heard the good news.
Why does this matter?
It’s important to share bad news so that people know there’s a problem, and that we need to act to solve that problem. However, it’s also important to share good news so that people know that a problem is solvable! This idea was behind the birth of the #OceanOptimism online outreach campaign.

Image via gify.com
Carlotta Leon Guerrero is a former Member of the 23rd, 24th, and 25th Guam Senate. She was also a two-term president of the Association of Pacific Island Legislatures and previously worked as a radio and television journalist in Guam and the Northern Mariana Islands.



Mariah Pfleger is a marine scientist at Oceana, an international marine conservation non-profit, advising both the responsible fishing and sharks campaigns. She graduated from Florida State University in 2012 where she studied coastal sharks and their relatives. In 2016 she earned her Master’s degree from the University of West Florida where she researched both coastal and deep-water sharks and rays. Mariah worked for 3 years as a field assistant, and during her Master’s an additional 3 years as a field manager, on the Gulf of Mexico Shark Pupping and Nursery Program. She has also conducted research using environmental DNA to detect rare and endangered sturgeon. Her twitter handle is