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Teresa Tomassoni

Oceans Correspondent

Teresa Tomassoni is an environmental journalist covering the intersections between oceans, climate change, coastal communities and wildlife for Inside Climate News. Her previous work has appeared in The Washington Post, NPR, NBC Latino and the Smithsonian American Indian Magazine. Teresa holds a master’s degree in Journalism from the Craig Newmark Graduate School of Journalism. She is also a recipient of the Stone & Holt Weeks Social Justice Reporting Fellowship. She has taught journalism for Long Island University and the School of the New York Times. She is an avid scuba diver and spends much of her free time underwater.

  • [email protected]
Woods Hole researchers, Adam Subhas (left) and Chris Murray, conducted a series of lab experiments earlier this year to test the impact of an alkaline substance, known as sodium hydroxide, on copepods in the Gulf of Maine. Credit: Daniel Hentz/Woods Hole Oceanographic Institution

Can We Alter the Ocean to Counter Climate Change Faster? This Experiment Aims to Find Out

By Teresa Tomassoni

Gentoo penguins on Cuverville Island in the western Antarctic. Like seals and whales, they eat krill, an inch-long shrimp-like crustacean that forms the basis of the Southern Ocean food chain. But penguin-watchers say the krill are getting scarcer in the western Antarctic peninsula, under threat from climate change and fishing. Credit: Eitan Abramovich/AFP via Getty Images

Record Krill Catch Prompts Early End to Fishing Season in Antarctica and Growing Calls to Protect its Fragile Ecosystems

By Teresa Tomassoni

The deep-sea mining vessel “Hidden Gem,” owned by AllSeas and commissioned by The Metals Co., is seen anchored at sea in Labuan, Malaysia. Credit: Jurnasyanto Sukarno/Greenpeace

Nations Denounce Deep Sea Mining Company’s Bid to Exploit Metals in the Pacific Under US Law

By Teresa Tomassoni

Global leaders are gathered in Kingston, Jamaica, for several weeks this month to debate a set of regulations that would govern future deep sea mining activities. Credit: Andrés Felipe Carvajal Gómez for IISD/ENB

Deep Sea Mining Negotiations Resume Amid Industry Pushback and Environmental Alarm

By Teresa Tomassoni

A green sea turtle rests in the Galapagos. Credit: Carlos Espinosa/Charles Darwin Foundation

At UN Ocean Conference, Nations and Funders Seek to Create and Expand Large-Scale Marine Protected Areas

By Teresa Tomassoni

Costa Rica President Rodrigo Chaves Robles speaks at the U.N. Ocean Conference on June 9 in Nice, France. Credit: IISD/ENB - Kiara Worth

‘We’ve Treated it as a Global Waste Dump’: Costa Rica’s President Calls for Action on the Ocean

By Teresa Tomassoni

Workers handle a fishing net next to a commercial trawler docked at the port of Nea Michaniona in northern Greece on May 22. Credit: Sakis Mitrolidis/AFP via Getty Images

UN Ocean Conference Opens With a Call to Defend the Deep Sea

By Teresa Tomassoni

WHOI marine biologist Amy Apprill conducts a visual survey of a degraded coral reef in St. John to count the number of young corals that have recently settled on the reef. Credit: Dan Mele/Woods Hole Oceanographic Institution

The Race to Engineer Coral Reef Solutions in the U.S. Virgin Islands

By Teresa Tomassoni

Every two weeks at the beach of Costa del Este, in Panama City, marine biology students descend about five meters in the sea to take care of a coral nursery of the staghorn species in Portobelo, Panama, with which they aim to restore reefs damaged by climate change and pollution. Credit: Luis Acosta/AFP via Getty Images

Global Scientific Community Urges World Leaders to Transform Research Into Policy Ahead of UN Ocean Conference

By Teresa Tomassoni

Fishermen sort their catch from a trawl fishery on a fishing boat in the Port of Molfetta on Dec. 1, 2023. Credit: Davide Pischettola/NurPhoto via Getty Images

Top Ocean Experts Sound the Alarm Over Growing Marine Crisis Due To Climate Change

By Teresa Tomassoni

Marine biologist Diva Amon explores the deep sea around the Saint Peter and Saint Paul Rocks in the Atlantic Ocean, off the coast of Brazil. Credit: Novus Select/bioGraphic

Trump’s New Executive Order Promotes Deep Sea Mining in US and International Waters While Bypassing International Law

By Teresa Tomassoni

Staff at the International Bird Rescue in Los Angeles examine a sick brown pelican suffering from domoic acid poisoning. Credit: Ariana-Gastelum, courtesy of the International Bird Rescue

California Toxic Algal Bloom Blamed for Months-long Marine Life Poisoning

By Teresa Tomassoni

Tudor Morgan, with HX Expeditions, passes a recording device called a SoundTrap to Heidi Ahonen, a bioacoustician who has launched the first long-term project to monitor whales in the Gerlache Strait using passive acoustic monitoring. Credit: Teresa Tomassoni/Inside Climate News

Listening for Whale Sounds 1,000 feet Deep in the Antarctic Ocean

By Teresa Tomassoni

Fernando Trujillo (right) and his team carry a pink river dolphin to shore to conduct a health assessment on the endangered animal. Credit: Teresa Tomassoni/Inside Climate News

One Man’s Quest to Protect Pink River Dolphins

By Teresa Tomassoni

A humpback whale lunges out of the water while feeding on krill in the Gerlache Strait in the Western Antarctic Peninsula. Credit: Ryan Reisinger

Scientists Call for More Marine Protected Areas in the Southern Ocean

By Teresa Tomassoni

‘Amazon of the Seas’ Threatened by Oil and Gas Developments

By Teresa Tomassoni

A crab inhabits a bed of eelgrass at Cape Cod National Seashore in Massachusetts. Eelgrass provides critical habitat for hundreds of species. Credit: Holly Plaisted/National Park Service

Seagrasses Capture Carbon 35 Times Faster Than Tropical Rainforests. Scientists Are Working to Save Them

By Teresa Tomassoni

Fish swim underwater at North Seymour Island in Ecuador’s Galapagos on March 11. Greenpeace has called for the creation of a high seas marine protected zone under the U.N. high seas treaty to secure a much wider area around the Galapagos islands. Credit: Ernesto Benavides/AFP via Getty Images

To Protect Vast Expanses of Ocean Beyond All National Boundaries, 60 Nations Must Ratify the Treaty of the High Seas

By Teresa Tomassoni

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