Marine conservation

Canada wilderness

Canada commits $3.8 billion to protect 30% of the country’s land and water by 2030

Prime Minister Mark Carney announced Canada’s $3.8 billion nature conservation strategy on March 31, 2026, committing the world’s second-largest country to protect 30% of its land and 28% of its marine territory by 2030. Two sites launched immediately: the Wiinipaawk Indigenous Protected Area in eastern James Bay and the Seal River Watershed National Park in Manitoba, one of the world’s largest intact watersheds at 50,000 square kilometers. The plan expands the Indigenous Guardians Program by $230 million. Conservation experts say implementation accountability, not the dollar figure, will determine whether Canada’s biodiversity commitments hold this time.

Seal underwater

Chile surpasses 50% ocean protection with the world’s third-largest fully protected marine zone

Chilean President Gabriel Boric has signed a decree extending full Chile ocean protection to roughly 140,000 square miles around the Juan Fernández and Nazca-Desventuradas marine parks, pushing national coverage past 50% of its exclusive economic zone. Once implemented, the fully protected zone will rank as the third largest in the world, behind the Ross Sea and Papahānaumokuākea. The Organización Comunitaria Funcional Mar de Juan Fernández — a community of fewer than 1,000 people managing a sustainable lobster fishery since 1890 — drove the proposal forward. Their success demonstrates that durable ocean conservation starts with the people who live there.

Dolphins

Brazil creates critical coastal protection area to save Atlantic biodiversity

Brazil has achieved a historic conservation victory by establishing a 271,000-acre protected area along the coast of Rio Grande do Sul via federal decree. This decision secures a vital future for the endangered Lahille’s bottlenose dolphin and a rare prehistoric fossil record containing giant ground sloths. While environmentalists maintain a measured outlook regarding the need for increased federal ranger patrols and enforcement, the new reserve ensures that industrial development cannot destroy these sensitive dunes and seagrass beds. This progress provides a practical model for how nations can meet international climate goals while protecting local livelihoods.

Small fish

U.S. West Coast groundfish fishery completes historic comeback after 25 years

The West Coast groundfish industry has achieved a monumental recovery 25 years after being declared a federal disaster. Originally reported by Mongabay, the fishery reached a historic milestone in late 2025 when the yelloweye rockfish was declared fully rebuilt, 60 years ahead of schedule. By utilizing catch shares and innovative “light-touch” gear, scientists and fishers successfully restored 10 overfished species to healthy levels. While high monitoring costs remain a challenge, this measured victory serves as a global model for how science-based management can revive both marine ecosystems and coastal livelihoods.

Sea turtle underwater

Historic U.N. High Seas Treaty enters into force, launching a new era of global ocean governance

A new era for marine conservation has begun as the UN-brokered High Seas Treaty officially enters into force. Following ratification by 60 nations, this landmark agreement creates the first legal framework to protect biodiversity in the two-thirds of the ocean that lies beyond national jurisdiction. By empowering the creation of large-scale Marine Protected Areas, the treaty provides a crucial mechanism to safeguard vulnerable species like whales, sharks, and deep-sea corals from unregulated exploitation, ensuring the long-term resilience of the global ocean ecosystem.

Mauritius pioneers heat-resistant coral with 98% survival rates

Scientists in Mauritius have achieved a major conservation breakthrough, recording a 98% survival rate for transplanted heat-resistant corals. The project, led by the Mauritius Oceanography Institute, identifies resilient strains to rebuild reefs capable of withstanding rising ocean temperatures. With plans to transplant 100,000 fragments by 2030, this initiative secures vital coastal protection and food security for the island nation. The success offers a scalable, science-based model for climate adaptation that can be replicated by vulnerable island communities worldwide.

Sperm whales

IUCN approves major new North Atlantic marine sanctuary

The IUCN World Conservation Congress has voted to establish the Macaronesia Sanctuary. This massive transnational protected area spans the waters of Spain, Portugal, and Cape Verde, creating one of the world’s most ambitious marine sanctuaries. By safeguarding a vast migration corridor across four archipelagos, the initiative protects essential habitats from industrial fishing and maritime traffic. This historic agreement unites nations in a shared mission to secure the long-term resilience of this vital Atlantic ecosystem.

Humpback whales underwater

Eastern Australian humpback whale population now back to pre-whaling levels

A monumental conservation victory has been achieved with the recovery of the Eastern Australian humpback whale population. Once decimated, the population has rebounded to over 50,000 individuals, surpassing pre-whaling levels. This success, confirmed by the International Whaling Commission (IWC), proves the power of sustained international protection. By securing their migration corridor and enforcing a global ban, humanity successfully reversed the species’ decline.

Sea turtle

Green sea turtle saved from extinction in major conservation victory

The green sea turtle population has rebounded so successfully that several populations have been removed from the Endangered Species List maintained by the International Union for Conservation of Nature ($\text{IUCN}$). This success specifically applies to populations in places like Florida and the Pacific coast of Mexico. Nesting numbers have surged by several hundred percent in key areas. By securing Marine Protected Areas and guarding vulnerable beaches, conservationists have proven that dedicated human action can reverse the decline of threatened species.

Underwater life

Landmark high seas treaty protecting marine biodiversity becomes international law

A monumental achievement in conservation has been finalized: the High Seas Treaty has reached the 60 ratifications needed to become international law. This agreement, which covers two-thirds of the world’s ocean, creates a legally binding framework to establish marine protected areas and regulate human activities. This major victory for multilateralism ensures that discoveries from the deep sea benefit all nations. The treaty will officially enter into force in January 2026.