Author

Thomas Gronfeldt

Writer

Thomas started diving during college and has since been diving over most of the world: Australia, Indonesia, Iceland, France, and many other places. He is a NAUI instructor and a commercial diver, and participates in environmental and archeological diving projects around the world.

Stories by Thomas
Dive Guide
New to Scuba Training

The Proper Role of a Dive Guide

The proper role of dive guides is not to keep you safe, but rather to assess the safety and suitability of the dive site and act as a tour guide.

by
Scuba Diving
Freediving New to Scuba Training

Scuba Diving, Snorkeling, Skin Diving, Freediving: What’s the Difference?

You have plenty of friends who don’t dive. Here’s how to explain to them the difference between scuba diving, snorkeling, skin diving and freediving.

by
Scuba Diving and Old Age
Health In the Water

Scuba Diving and Old Age

Diving is perfectly safe for most of us as we get older, but there are some things to keep in mind when it comes to scuba diving and old age.

by
Humpback Whale Congregation
In the Water News

Humpback Whale Congregation Mystery May Be Solved

Scientists may have solved a decades-long mystery of mass humpback congregations taking place off the coast of South Africa

by
New stuff
Paralenz Vaquita

New Paralenz Vaquita Turns Regular Divers into Citizen Scientists

by Press Release
Pantanal

Diving Bonito and the Pantanal

Diving the Pantanal in the Brazilian state of Mato Grosso do Sul offers visitors the chance to see not only anacondas, but also a wild array of marine life.
by Chris Vyvyan-Robinson
southern channel islands kelp forest

Diving the Southern Channel Islands Kelp Forests

Excerpt: The southern Channel Islands kelp forests in California are a playground for divers. Here’s what you need to know to dip under the waves.
by Rebecca Strauss
help the ocean

Five Places Where You Can Help the Ocean While Traveling

If you’re an ocean lover and environmentalist, here are five places where you can help the ocean while traveling.
by Torben Lonne