Marine conservation

Oceans cover more than 70% of Earth’s surface and support the food, climate, and biodiversity systems that billions of people depend on. This archive tracks real progress in marine conservation — from expanding protected areas and restoring coral reefs to reducing plastic pollution and rebuilding fish populations. Each story focuses on what’s working and who is making it happen.

Desert landscape at sunset, for article on Mexico protected areas

Mexico announces 20 new protected areas covering more than 5 million acres of land

Mexico’s protected areas just expanded by 2.3 million hectares — roughly 5.7 million acres — with 20 new designations spanning 12 states and two coastal zones. The largest, Bajos del Norte national park in the Gulf of Mexico, safeguards grouper spawning grounds, hawksbill turtles, and the livelihoods of more than 3,000 fishing families along the Yucatán coast. Inland, the new Sierra Tecuani biosphere reserve formalizes jaguar habitat that Indigenous ejido communities in Guerrero have quietly tracked and tended for over a decade. Other sites shelter whale sharks, Pacific sea turtle nesting beaches, and the burrowing Mexican prairie dog. The most hopeful thread here isn’t the decree itself — it’s the recognition that lasting conservation tends to grow from the communities already doing the work.

Landfill. A lot of plastic garbage. Environmental problems., for article on plastic waste ban, for article on plastic bag bans

Plastic bag bans in the U.S. have already prevented billions of bags from being used

Plastic bag bans are quietly working — researchers estimate they eliminate nearly 300 single-use bags per person each year in places that adopt them. A new report from three nonprofits looked at policies in New Jersey, Vermont, Philadelphia, Portland, and Santa Barbara, and found New Jersey’s statewide ban alone keeps more than 5.5 billion bags out of circulation every year. More than 500 U.S. cities and 12 states have now passed similar restrictions, with Georgia and Massachusetts possibly next. People adjust faster than skeptics expect, bringing their own bags or simply going without. It’s a small daily habit shift that, multiplied across millions of shoppers, shows how thoughtful policy can ripple outward into cleaner waterways and healthier communities.

Whale's tail, for article on sperm whale reserve

Dominica to create world’s first sperm whale reserve

Dominica’s new sperm whale reserve will safeguard roughly 200 whales living year-round in an 800-square-kilometer stretch of ocean off the island’s western coast — the first protected area in the world designed specifically for this species. Commercial fishing and large ships will be kept out, while local artisanal fishers can keep working the waters they’ve always known. Scientists have found that these whales pass down distinct cultural traditions across generations, a kind of learning once believed to belong only to humans. By treating whale protection as part of its own climate resilience, a small island nation is showing that nature-based conservation can be ambitious, community-minded, and quietly revolutionary all at once.

View of mountains and water in British Columbia, for article on BC nature conservation agreement

British Columbia, Canadian government, and First Nations announce $1 billion conservation agreement

British Columbia’s new $1 billion nature agreement aims to more than double the share of the province protected from industrial activity, building on roughly 15 percent today. Signed by Canada’s federal government, the province, and First Nations leaders, it’s the first three-way conservation deal of its kind in the country — with Indigenous nations recognized as co-architects rather than consultees. The funding will go toward safeguarding old-growth forests, restoring degraded ecosystems, and supporting the salmon-bearing watersheds that communities have relied on for generations. As nearly 200 countries work toward the global goal of protecting 30 percent of lands and waters by 2030, this framework offers a hopeful template for how conservation and Indigenous leadership can move forward together.

School of fish with big fish in the middle, for article on marine protected area

New Caledonia expands strictly protected coverage of its swath of the Pacific

New Caledonia’s expansion of strict ocean protections shows what’s possible when Indigenous communities, industry, and governments genuinely share the table. The newly protected waters shelter migratory corridors for whales, sea turtles, and sharks, along with a deep-sea trench — ecosystems among the slowest on Earth to recover from disturbance. Kanak peoples, who have lived alongside these waters for thousands of years, helped shape the decree directly. Ten percent is a milestone, not a finish line, and global strict protection sits at just 2.9%. But this expansion shows that meaningful ocean protection is achievable.

Aerial view of a turquoise French Polynesian atoll for an article about French Polynesia marine protected area, for article on debt-for-nature swap, for article on coral reef protection

Countries pledge to raise $12 billion to fund coral reef protection

Coral reef protection just got a major boost: more than 40 nations have pledged $12 billion by 2030 to safeguard the ocean ecosystems that roughly a billion people rely on for food, income, and storm protection. It’s the largest coordinated commitment of its kind, blending public, private, and philanthropic money so the work outlasts any one government’s budget. A meaningful share is aimed at frontline communities in the Pacific, Caribbean, and East Africa, where reefs sustain daily life but conservation funding has rarely reached. Scientists have spent years developing heat-tolerant coral strains that this funding could finally scale up. For a global movement long short on resources, this pledge marks a new baseline of ambition — and a recognition that reefs are worth fighting for.

Waves at sunset, for article on high seas treaty

Seventy-plus nations sign historic high seas treaty

Ocean protection just took a huge leap forward: more than 76 countries and the European Union signed the High Seas Treaty on its very first day open for signatures at the U.N. General Assembly. The agreement creates the first-ever legal framework to establish protected areas across international waters, which cover two-thirds of the planet yet remain almost entirely unguarded. It also requires that benefits from marine genetic resources — think pharmaceuticals drawn from deep-sea life — be shared fairly with nations in the Global South. Once 60 countries ratify, the treaty takes effect, opening the door to meeting the global goal of protecting 30% of the oceans by 2030 and giving marine life a fighting chance.

Coral reef with anemone, for article on coral reef restoration

New program to restore 120 miles of coral reefs off Big Island of Hawai’i

Coral reef restoration along Hawaiʻi’s Big Island just got a serious boost: a new $25 million initiative called Ākoʻakoʻa is taking on 120 miles of degraded reef off the Kona coast. The name means both “coral” and “to assemble,” and that’s the whole idea — marine scientists, Native Hawaiian practitioners, state agencies, and local nonprofits working as one. A new propagation facility in Kailua-Kona will grow heat-resilient corals while researchers test what helps reefs bounce back. Guiding it all is the Hawaiian principle of Mālama I Ka ʻĀina, caring for the land so the ocean can thrive. With reefs in trouble worldwide, this kind of partnership — Indigenous wisdom and Western science as equals — is a model other coastal communities will want to watch.