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.

Aerial view of remote Pacific ocean islands and turquoise waters for an article about Chile marine protection

Chile expands ocean protection to cover more than one million square kilometres of sea

By / / Good News For Humankind

Chile marine protection surpasses one million square kilometres as the country designates vast stretches of its Pacific waters as fully protected ocean, barring industrial fishing, deep-sea mining, and oil exploration. The move shields critical habitat for blue whales, whale sharks, sea turtles, and hundreds of species found nowhere else on Earth. Indigenous communities, including the Rapa Nui and Kawésqar peoples, were central advocates for the protections. The designation meaningfully advances the global 30×30 goal of protecting 30 percent of the ocean by 2030, a threshold scientists consider essential to halting catastrophic biodiversity loss.

A gray dolphin surfacing in calm estuarine waters for an article about Atlantic coast protection

Brazil shields 271,000 acres of Atlantic coast to protect a rare river dolphin

By / / Good News For Humankind

Brazil’s Atlantic coast protection of more than 271,000 acres marks one of the country’s largest coastal conservation actions in years, placing ocean, estuary, and mangrove habitat under formal federal protection. The zone was created primarily to defend the boto-cinza, a gray river dolphin found nowhere else on Earth and threatened by gillnet bycatch, boat strikes, and habitat degradation. The protected area sits within one of the planet’s most significant biodiversity hotspots, where less than 12 percent of the original Atlantic Forest remains. The designation also safeguards the livelihoods of traditional fishing communities who depend on healthy coastal ecosystems.

A commercial fishing boat on the Pacific Ocean for an article about West Coast groundfish recovery — 14 words.

West Coast groundfish fishery completes historic comeback after 25 years

By / / Good News For Humankind

West Coast groundfish recovery is being called one of the greatest fishery management success stories in history. After more than two decades of strict catch limits and rigorous scientific monitoring, the U.S. West Coast groundfish fishery has been fully rebuilt — roughly 60 years ahead of its legally mandated deadline. Federal managers and fishing communities endured years of painful quota reductions to make it happen. The achievement demonstrates that science-based management and long-term political will can bring even severely depleted fisheries back from the edge, offering a powerful model for struggling fisheries worldwide.

Vibrant recovering coral reef teeming with fish for an article about coral reef growth

Coral reefs reach net positive growth globally for the first time

By / / Archive of Human Genius

Coral reefs could cross into net positive growth worldwide by 2056, with living reef area finally expanding instead of shrinking. The momentum is already visible: a 2024 study showed restored reefs matching healthy growth rates within four years, and Australia alone is on pace to transplant over a million corals annually. If it holds, it would be one of the great ecological reversals of our time.

Aerial view of deep blue open ocean waves for an article about the UN high seas treaty

UN high seas treaty enters into force, opening a new era of ocean governance

By / / Good News For Humankind

The UN high seas treaty entered into force in 2024, marking the first time in history that the open ocean has received legal protection. The BBNJ Agreement extends international environmental law to the roughly 64% of ocean lying outside any country’s territorial waters. For the first time, the international community has tools to designate marine protected areas, require environmental impact assessments, and share profits from deep-sea genetic resources with developing nations. The treaty is considered essential to achieving the global 30×30 goal of protecting 30% of the ocean by 2030.

Colorful coral reef with tropical fish in clear blue water for an article about Mauritius coral restoration

Mauritius pioneers heat-resistant coral with 98% survival rates

By / / Good News For Humankind

Coral restoration in Mauritius is delivering results that are turning heads across the marine science world. Researchers working with the Mauritius Oceanography Institute have achieved a 98% survival rate for transplanted coral fragments by using heat-stress conditioning, a technique that trains coral to withstand the warming temperatures climate change is already producing. That figure dwarfs the global average of 60-70% for conventional transplant methods. With the Indian Ocean having suffered significant reef loss in recent decades, this approach offers a replicable model that neighboring island nations are already watching closely.

A North Atlantic right whale surfacing in open ocean for an article about right whale protection — 13 words. **Suggested image:** Search Unsplash for "right whale ocean" or "whale ocean surface." A strong candidate: - **Unsplash:** https://unsplash.com/photos/a-humpback-whale-jumping-out-of-the-water — verify licensing (Unsplash License, free to use). - Alternatively, NOAA's public domain image library (fisheries.noaa.gov) has free-to-use right whale photographs: https://www.fisheries.noaa.gov/species/north-atlantic-right-whale — these are U.S. government works in the public domain. Recommended credit: NOAA Fisheries / public domain, or Unsplash photographer name if sourced there.

Clinton-era ocean push secured landmark protections for whales and dolphins

By / / Good News For Humankind

Ocean mammal protection advanced significantly in the mid-1990s when the United States led landmark international agreements safeguarding whales and dolphins from commercial shipping and industrial fishing. The Clinton administration proposed real-time navigation alerts to help ship captains avoid North Atlantic right whales, while U.S.-led negotiations produced a dolphin protection accord that passed the Senate 99-0 and dramatically reduced bycatch mortality in the eastern tropical Pacific. These measures were part of a broader ocean governance framework addressing dumping, overfishing, and marine pollution simultaneously. The agreements proved that commercial industries could adapt, scientific monitoring could be legally enforced, and international cetacean protections were genuinely achievable.

A humpback whale breaching off the Australian coast for an article about humpback whale recovery

Eastern Australian humpback whales now exceed pre-whaling population numbers

By / / Good News For Humankind

Humpback whale recovery in eastern Australia has reached a milestone once considered impossible, with the population surpassing 50,000 individuals in 2024 — exceeding pre-whaling numbers for the first time. Just sixty years ago, industrial hunting had reduced this group to roughly 150 survivors. The turnaround followed a 1963 International Whaling Commission ban and decades of careful monitoring, including a citizen science effort tracking over 15,000 individually identified whales. Beyond the conservation achievement, the return of large whale populations actively restores ocean health through nutrient cycling that supports marine food webs and carbon absorption.

A green sea turtle swimming above a seagrass meadow for an article about green sea turtle recovery

Green sea turtles are no longer endangered, IUCN confirms

By / / Good News For Humankind

Green sea turtle recovery marks a major conservation milestone, as the IUCN removed the species from its endangered list for the first time in decades. The 2025 reassessment found nesting populations have grown significantly since the 1970s, driven by legal protections, beach patrols, marine protected areas, and preservation of the seagrass meadows turtles depend on. The recovery spans dozens of countries and combines satellite science, Indigenous ecological knowledge, and community stewardship. Threats including bycatch and climate change remain, but this achievement offers a documented model for what sustained, cooperative conservation effort can accomplish.

Sunlight filtering through open ocean water for an article about the High Seas Treaty entering into force

The high seas treaty enters into force, giving two-thirds of the ocean its first legal protection

By / / Good News For Humankind

The High Seas Treaty entered into force on January 17, 2026, giving the roughly two-thirds of the ocean beyond national borders binding legal protection for the first time in history. After nearly 20 years of negotiations, 60 nations ratified the agreement by September 2025, triggering its historic implementation. The treaty empowers the international community to establish marine protected areas in international waters, require environmental impact assessments for deep-sea activities, and share the benefits of marine genetic resources equitably among all nations. What once had no legal guardian now does.