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An initiative of the Center for Biological Diversity

An initiative of the Center for Biological Diversity

Wild, Incisive, Fearless.

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Dr. David Shiffman

is a Washington, DC-based marine conservation scientist who focuses on the ecology of endangered species and how to protect them. He received his Ph.D. in environmental science and policy from the University of Miami, and is an alum of the Liber Ero Postdoctoral Fellowship in Conservation Leadership. He is the author of "Why Sharks Matter," and invites you to follow him on Bluesky, where he's always happy to answer any questions anyone has about sharks, marine biology, or ocean conservation.
https://bsky.app/profile/whysharksmatter.bsky.social https://x.com/whysharksmatter
Voices

Trump Removes Protections From Marine Protected Areas — A Problem for Fish, Whales, Corals and Other Ocean Life

Marine protected areas are designed to safeguard parts of the ocean from human impacts, including offshore oil and gas extraction and industrial fishing practices.
May 6, 2025
by
Dr. David Shiffman and The Conversation
Marine protected areas are designed to safeguard parts of the ocean from human impacts, including offshore oil and gas extraction and industrial fishing practices.
A seal stares straight into the camera on a sandy beach
Wildlife

Donald Trump’s Second Term Will Be Bad News for Endangered Ocean and Coastal Animals

The waters around the United States are home to many threatened species who need science-based conservation policies to save them from extinction. They won’t get that for the next four years.
January 21, 2025
by
Dr. David Shiffman
The waters around the United States are home to many threatened species who need science-based conservation policies to save them from extinction. They won’t get that for the next four years.
A woman with tape over her mouth and the "prohibited" symbol painted over it.
Voices

Advice for U.S. Government Scientists: Lessons Learned From the ‘Muzzling’ of Their Canadian Counterparts

The next four years — and beyond — are going to be awful for the science and conservation community. By learning from past experiences, we can try to minimize the damage.
December 2, 2024
by
Dr. David Shiffman
The next four years — and beyond — are going to be awful for the science and conservation community. By learning from past experiences, we can try to minimize the damage.
chaotic wave metaphors
Oceans & Clean Water

We’re Protecting the Ocean Wrong

There’s never been more momentum for ocean conservation, but new research finds that many efforts fail to protect endangered species — or have barely gotten off the drawing board.
July 31, 2024
by
Dr. David Shiffman
There’s never been more momentum for ocean conservation, but new research finds that many efforts fail to protect endangered species — or have barely gotten off the drawing board.
A videographer in a wetsuit and scuba gear swims next to a giant Australian cuttlefish
Public Lands & Protected Spaces

How Do You Protect Something Most People Will Never See?

Meet the Fab Five: A combination of visual and virtual community engagement tools using charismatic species to help win hearts and minds toward saving the ocean.
May 6, 2024
by
Dr. David Shiffman
Meet the Fab Five: A combination of visual and virtual community engagement tools using charismatic species to help win hearts and minds toward saving the ocean.
Children on a trail in the woods
Climate Change

Apathy Threatens the Planet. How Do We Get People to Care?

New research backs up conventional wisdom that getting people outdoors inspires them to conserve nature.
March 6, 2024
by
Dr. David Shiffman
New research backs up conventional wisdom that getting people outdoors inspires them to conserve nature.
One man helps another up a mountain as the sun sets behind them.
News

How to Make Friends and Influence People — to Save the World

What persuades people to help protect threatened species and ecosystems? Most scientists think facts alone will change minds. They’re wrong.
July 12, 2023
by
Dr. David Shiffman
What persuades people to help protect threatened species and ecosystems? Most scientists think facts alone will change minds. They’re wrong.
A flat stingray swims along a rocky bottom.
Wildlife

Amazon Freshwater Stingrays Gain Much-Needed Protection — Will It Be Enough?

Experts say new international trade restrictions will help, but they leave several problems unsolved.
January 25, 2023
by
Dr. David Shiffman
Experts say new international trade restrictions will help, but they leave several problems unsolved.
The author sitting in a museum behind a display of his books.
Culture

How (and Why) I Planned a 40-City Book Tour About Shark Science and Conservation

If a book contains critical conservation messages but nobody reads it, does it make a difference?
November 21, 2022
by
Dr. David Shiffman
If a book contains critical conservation messages but nobody reads it, does it make a difference?
angel shark in sandy ocean bottom
Wildlife

What History Can Teach Us About the Conservation of Endangered Species

Saving endangered species sometimes means knowing where they used to live — before scientists started studying them. For that, we need historical ecologists.
September 14, 2022
by
Dr. David Shiffman
Saving endangered species sometimes means knowing where they used to live — before scientists started studying them. For that, we need historical ecologists.

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An initiative of the Center for Biological Diversity