The Science of Sustainability

David McGuire

David McGuire

An avid writer, surfer and ocean voyager, David McGuire is the founder of the conservation non profit Sea Stewards and is an advocate for a healthy ocean. As Captain, Dive Master and Cinematographer, David has explored the world ocean on numerous sailing voyages collecting media with an emphasis on ocean awareness.Educated in Marine Biology, he holds a masters degree in Environmental Health and has worked in education and public health at the University of California at Berkeley for over a decade. David is the writer, producer and underwater cinematographer of the award winning documentary Sharks: Stewards of the Reef, and was writer and cinematographer on a film on California Marine Protected Areas, and Palmyra Atoll. David has written, filmed and produced a new documentary on the Sharks of San Francisco Bay and has worked as cameraman on feature films such as 180 South and A Beautiful Wave. His underwater filmwork on San Francisco elasmobranches and ecosystems continues and he frequently donates his work for conservation causes. As Field and Research Associate with the California Academy of Sciences, David is Project Manager of a shark research program on the San Francisco Bay and has initiated a new sharks awareness campaign: Shark Sanctuary San Francisco. Through expedition sailing and video production, Sea Stewards is exploring and explaining our ocean world, influencing policies and practices from sustainable fishing to marine protection. Through Sea Steward Studios, our Media Production work is used to influence sound policies and sustainable ocean practices. Current work includes a series on Sea Turtle Conservation in Mexico, a film with partners Team Fish Finders using local fishermen to promote catch and release and a documentary on local sustainable seafood and a Cordell Banks Expedition.

rss feed Author's Website

David McGuire's Latest Posts

Got Mercury? The New EPA Ruling And The San Francisco Bay

Got Mercury? The New EPA Ruling And The San Francisco Bay

This week, after decades of legal delays and foot dragging by the coal and power industry, the EPA unveiled a new rule protecting public health from mercury and other toxins.

Continue Reading

Various Voyages of Sea Turtles

Various Voyages of Sea Turtles

Strange creatures have been visiting the Sanctuary waters this fall.

Continue Reading

The Season of the Gray Whale

The Season of the Gray Whale

One of the more remarkable migrations among marine animals occurs each year right outside the Golden Gate.

Continue Reading

Sharktober Continues in November

Sharktober Continues in November

To sharks, it's still Sharktober. Weather permitting, we will continue our expeditions through SF Bay Whale Watching over the next few weekends looking for turtles and sharks.

Continue Reading

Sanctuary for Whales, Sanctuary for Sharks

Sanctuary for Whales, Sanctuary for Sharks

Yesterday I led another expedition out into the Gulf of the Farallones on the Outer Limits with Captain Jimmy. Primarily billed as whale watching, these trips are really about the entire ecosystem, and when I’m aboard, we talk shark, because sharks are what I love, study, advocate and protect through my non-profit Sea Stewards.

Continue Reading

Guadalupe Island: Protecting Sharks through Ecotourism

Guadalupe Island: Protecting Sharks through Ecotourism

Last week I joined four Italian photographers, three Japanese and six Americans on a Mexican Shark watching vessel to enter underwater cages, and experience what it is like to be in the water with a Great White Shark.

Continue Reading

Rise Above Plastics

Rise Above Plastics

Plastic is forever, with virtually every piece of petroleum-based plastic ever made still in existence. That's why it's so critical to oceans and beaches that we dramatically reduce our use of plastics, especially single-use plastics.

Continue Reading

Clean it Up

Clean it Up

Plastic in the ocean doesn’t go away, it just gets smaller. Approximately 70% of this plastic sinks to the bottom where it sits like a time bomb waiting to be assimilated.

Continue Reading

Shark Week and the State of Sharks

Shark Week and the State of Sharks

This week millions of viewer’s eyes will be turned to "Shark Week", the Discovery Channel's most popular program. With shows like "Top Five Eaten Alive", "Killer Sharks and Rogue Sharks", the program continues to dish up blood, teeth and fear, while perpetuating the irrational perception that sharks are killing machines.

Continue Reading

The State of the Ocean

The State of the Ocean

The ocean is our planet’s heartbeat, and the future heartbeat for billions of humans.

Continue Reading

After Earth Day, Celebrate the Other 71% with World Oceans Day

After Earth Day, Celebrate the Other 71% with World Oceans Day

It's time to celebrate our ocean with World Oceans Day.

Continue Reading

Report from the Philippines

Report from the Philippines

Here in the field, time passes slowly but the need to explore, explain and protect natural systems like Philippine coral reef systems is urgent.

Continue Reading

ABC: Adventure, Biology and Conservation

ABC: Adventure, Biology and Conservation

What makes us care about wildlife so much that we dedicate years of study, a hundred hours a week of time for little pay or even recognition?

Continue Reading

Got Sharks?

Got Sharks?

What is it about sharks that inspire such controversy? Sharks make good press.

Continue Reading

Protecting Sharks' Marine Protected Areas and "Paper Parks"

Protecting Sharks' Marine Protected Areas and "Paper Parks"

There have been success in countries with resources to enforce and convict violators within marine protected areas, but many of these areas are in name only – "paper parks."

Continue Reading

Shark Fin Trade Puts Sharks At Risk

Shark Fin Trade Puts Sharks At Risk

Sharks are seriously at risk in the world ocean to overfishing and the growing threat of shark finning.

Continue Reading

Oil and the Sanctuaries Expansion Bill

Oil and the Sanctuaries Expansion Bill

Rep. Lynn Woolsey, D-Petaluma, is pushing to expand marine sanctuaries and permanently ban offshore oil drilling off much of the North Coast.

Continue Reading

Feeling Crabby? Dungeness Crab Season Is Upon Us

Feeling Crabby? Dungeness Crab Season Is Upon Us

Got Crabs? It's that time of year again for San Francisco’s favorite crustacean: the Dungeness crab.

Continue Reading

When A Sanctuary Is No Longer A Sanctuary

When A Sanctuary Is No Longer A Sanctuary

All is not well in our national marine sanctuaries. This summer and fall there have been at least six ship strikes on whales in the Gulf of the Farallones, the Monterey Bay and near the Channel Island National Marine Sanctuaries.

Continue Reading

Diving in Cordell Bank

Diving in Cordell Bank

Over the past five days I have had the incredible experience of diving on a location few have ever had the opportunity: the Cordell Bank.

Continue Reading