Underwater and out of sight, the world’s seagrasses are under threat. A new study says failure to protect them will come at a steep cost — in more ways than one.

May 6, 2025

‘I wasn’t discouraged — I was hooked’: The tough conversations that shaped the path of Conservation International’s lead scientist.

February 3, 2025

According to a new study, the world’s oceans are warming four times faster than they were in the late 1980s, and the burning of fossil fuels is behind the dramatic acceleration.

January 30, 2025

It was a year of rough seas for the world’s oceans. But that didn’t stop conservationists and communities from working to protect the seas. Here are highlights from the year.

December 23, 2024

Ocean protections are lagging dangerously. Here’s what it’s going to take to meet global goals, according to a Conservation International marine scientist.

October 17, 2024

Does the ocean hold the key to a replacement for plastic? Sway, a California-based startup backed by Conservation International, is using seaweed to replace the plastic in packaging.

October 1, 2024

Surf breaks worldwide are loved for their natural beauty and the thrill of riding that next big swell. Now, a first of its kind study finds that they are also an ally in the fight against climate change.

August 13, 2024

Nearly a third of fishing lines are lost or discarded at sea. This so-called “ghost gear” — along with nets and traps — is deadly for marine animals. One man is on a mission to clean it up, net by net.

June 20, 2024

The ocean feeds us, regulates our climate and sustains economies. Yet numerous threats are devastating the health of marine ecosystems. In honor of World Oceans Day, we take a dive into efforts that are charting anew course for our oceans.

June 6, 2024

There’s only one place on Earth where reef manta rays are truly thriving. A new study finds that this manta haven is even more special — and threatened — than previously thought.

May 30, 2024

Fishing is a way of life in Peru. But one of it's most important fisheries is not immune from human-made pressures like overfishing and mining. Now, a new protected area is offering a new lease on life.

May 28, 2024

The ocean powers food systems and economies. It also badly needs to be protected from overexploitation. Humanity can do both — with some science, money and humility, experts say.

May 23, 2024

Countries around the world are trying to bring fish populations back from the brink after decades of overfishing. But some marine protected areas are falling short with a certain type of fish. Here’s why.

April 25, 2024

In the third year of the sweeping global PBS series “Changing Planet,” Conservation International CEO M. Sanjayan explores how climate change is affecting some of Earth’s most vulnerable ecosystems — and the groundbreaking science that’s offering hope.

April 22, 2024

With the dazzling diversity of species that live on a coral reef, dwarfgobies are easy to overlook. While the may be easy to overlook — they are the most diverse of all fish genera.

March 20, 2024

A recent deep-sea expedition off the coasts of Chile and Peru is revealing the secrets of a vast underwater mountain system — and could help make the case for future ocean protections there.

March 4, 2024

Despite evidence that efforts to ban shark finning in recent years isn't reducing shark mortality, new research shows there is reason to have hope.

January 12, 2024

Despite having far more to fear from humans, sharks are often vilified in popular culture. To protect beachgoers, governments often resort to ineffective strategies — at great cost to marine life. One company aims to change that.

January 8, 2024

New Caledonia recently took a big step for ocean conservation by banning all industrial activities — such as fishing, mining and oil drilling — in 10 percent of its waters. The new protections safeguard marine habitats, as well as some of the healthiest coral reefs on Earth.

November 29, 2023

In the past decade, seaweed production has boomed as researchers and investors eye its climate potential. Yet alongside seaweed’s promise, there are pitfalls. A company in the Philippines is working to change that.

October 11, 2023

The small South Pacific island nation of Niue recently launched a first-of-its-kind sustainable funding initiative that enables anyone to sponsor a square kilometer of its ocean waters — a sanctuary for humpback whales, sea snakes and gray reef sharks.

September 25, 2023

After intense negotiations, discussions on commercial deep-sea mining have been postponed — at least for now. Environmentalists view the decision as a hopeful step toward protecting fragile marine ecosystems.

August 1, 2023

Across the globe, marine protected areas help struggling fish populations and ecosystems recover and flourish. But what impact do they have on the people living nearby? A new study finds big benefits for both biodiversity and coastal communities.

June 22, 2023

Every year, up to 10 million tons of plastic end up in the world’s oceans — an amount so large it’s hard to visualize. Two journalists from Al Jazeera found that if flattened, ocean plastic today would cover an area roughly the size of Jamaica.

June 21, 2023

In case you missed it: A recent study reveals that underwater forests are much more prolific than previously thought — and may play a key role in stemming the climate crisis.

January 9, 2023

Targeted for their gill plates and trapped accidentally in fishing nets, reef manta rays are in trouble; their populations around the world are plummeting. But in one protected area off the coast of Indonesia, the rays are not only bucking worldwide trends – they’re thriving.

December 2, 2022

A unique approach to ocean conservation could help countries balance protection and production for the marine ecosystems they depend on.

June 8, 2021

To feed a growing population without further depleting our oceans, farmed seafood will be crucial.

August 17, 2017

OHI scientists — including several from Conservation International, the index’s co-developer — are using open science to do “better science in less time.”

June 12, 2017