Jenn Caselle

What Two Decades of Change on Clipperton Island Looks Like

By Dr. Jenn Caselle It was with huge excitement that I learned that I would be traveling to Clipperton Island for a National Geographic Pristine Seas expedition, because this would be my second trip to this remote coral reef. My ...

Desventuradas Expedition: Fish Bigger Than We Are

National Geographic Explorer-in-Residence Enric Sala is setting off on his first big expedition of the year: to explore the remote islands of Desventuradas, hundreds of miles off the coast of Chile. Jen Casselle is a veteran member of Enric’s ...