The essential guide to freediving for underwater photography. http://www.amazon.co.uk/Glass-Water-Freediving-Underwater-Photography/dp/1909455105

The essential guide to freediving for underwater photography. http://divedup.com/shop/glass-water-essential-freediving-underwater-photography-guide/

Views through an aqueous lens. The Subscenic world of water … and its occupants. Micro Four Thirds images by underwater photographer, Mark Harris, author of Glass and Water. http://www.subscenic.co.uk/

A new and prestigious international underwater photography competition aiming to celebrate the world's best underwater images. http://www.underwaterphotographeroftheyear.com/index.aspx

Showcasing incredible images from around the world. Travel Photographer of the Year (TPOTY) - the leading and highly prestigious international travel photography awards. http://www.tpoty.com/

Showcasing the incredible wildlife in the British Isles with the very best images from talented amateur and professional photographers. http://www.bwpawards.org/

Dive into the ocean! Download Google Oceans by following the link and explore the magnificent blue world like an aquanaut.
There is a stunning intro video to get you going and thousands of images, write-ups and more videos uploaded throughout the Ocean Layer.
"From afar, the world is blue ..." http://www.google.com/earth/explore/showcase/ocean.html

Mission Blue is a global coalition of partners all aimed at increasing ocean protection and restoring the health of the ocean. http://www.thesealliance.org/

This is one of the most important and inspiring messages about our planet. For everyone!
"I wish you would use all means at your disposal — films! expeditions! the web! more! — to ignite public support for a global network of marine protected areas, hope spots large enough to save and restore the ocean, the blue heart of the planet." http://www.youtube.com/watch?v=43DuLcBFxoY

The UK's largest, non-profit organisation dedicated to the world of underwater photography. http://www.bsoup.org/index.php

Silvertip provide specialist services to the expedition and media industries, including consultancy, training and underwater filmmaking. http://www.silvertipworld.com/

A one day photographic 'shoot-out' in British and Irish waters during which competitors have 24hrs to dive, take great images, download & post-produce within strict rules and then submit their two best images for judging. http://biupc.photium.com/

Imagine a world without fish ....
And then ask yourself what you can do to help. Well, to start with,
1. Eat sustainable seafood.
2. Join the global campaign for marine protected areas and responsible fishing.
3. Spread the word. http://endoftheline.com/

The Shark Trust is the UK charity for shark conservation. The Trust works to advance the worldwide conservation of sharks through science, education, influence and action. http://www.sharktrust.org/

Incredible artificial reefs. http://www.underwatersculpture.com/

Everything and more about the magical world of plankton. http://www.planktonchronicles.org/en

The Salt Sirens is a site and resource for women born to be in the ocean. You will find great articles on scuba diving, surfing, kitesurfing, SUP, freediving, and conservation. https://thesaltsirens.com/

Tara Expeditions have been organizing missions aboard the research schooner Tara for the past 9 years. Their goal is to learn more about the impact of climate change on our oceans and their ecosystems. http://oceans.taraexpeditions.org/en/a-2-5-years-marine-and-scientific-expedition.php?id_page=1

Fresh perspectives and stunning underwater images from photographer, Mike Ellis. http://onaiaphoto.com/

Todd Arena - Graphic artist, photographer and talented logo designer! Todd beautifully understood the brief I gave him to help me create a unique logo for Planet Plankton. Completely professional - he's been a joy to work with, going that extra transatlantic mile. http://www.arenacreative.com/

Websites for photographers and artists http://www.clikpic.com