Rebecca Kessler

Collisions with ships are a leading anthropogenic killer of the Mediterranean’s two endangered large-bodied cetacean species, sperm and fin whales. In 2025, thousands of vessels traveled through the Mediterranean’s key whale habitats at speeds above 15 knots (28 km/h), the threshold at which vessel strikes are almost always fatal, according to an analysis by Magma […]

Read the stories in Mongabay’s series on offshore wind energy: Part One, Part Two and Part Three. Offshore wind has enormous potential as a source of renewable energy and is tipped to greatly expand in the next few decades. As this clean energy drive gathers pace, experts underline that new wind farms must be developed […]

OTAGO PENINSULA, Aotearoa New Zealand — Sandfly Bay was long a key nesting area for yellow-eyed penguins (Megadyptes antipodes), noisy, pink-footed birds that spend long days foraging at sea. But this wild beach on the Otago Peninsula, like others nearby, has gone quiet. In 2024, the last breeding-age female at Sandfly Bay, who’d been consistently […]

In Clayoquot Sound, British Columbia, a partnership between the Tla-o-qui-aht First Nation, Redd Fish Restoration Society and West Coast Kelp grows kelp at scale to support an ecosystem in decline.

At the recent biennial meeting of the International Whaling Commission, Antigua and Barbuda introduced a controversial resolution on the “sustainable

In April 2026, the Brazilian government prohibited the import of meat from endangered shark species, making it illegal to sell any species of the genus Squatina, the angelsharks.

Two invasive forms of a seaweed called caulerpa were discovered in Aotearoa New Zealand in 2021, forming meadows that blanketed the seabed.

In recent years, a series of high-profile investigations implicated the Chinese fleets targeting squid in international waters in illegal fishing

In 2021, Belize made a series of time-bound marine conservation commitments as part of a landmark debt-for-nature deal known as the Belize Blue Bond.

The long-spined sea urchin (Centrostephanus rodgersii), also known as Centro, is an invasive species in the waters around Tasmania, Australia, and it's been munching away the state's kelp forests.