Protecting 1.2% of Earth Would Prevent Most Extinctions, Study Says 

Mexican gray wolves, an endangered native species, are seen resting in their enclosure at the Museo del Desierto in Saltillo, Mexico July 1, 2020. Picture taken July 1, 2020. (Reuters)
Mexican gray wolves, an endangered native species, are seen resting in their enclosure at the Museo del Desierto in Saltillo, Mexico July 1, 2020. Picture taken July 1, 2020. (Reuters)
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Protecting 1.2% of Earth Would Prevent Most Extinctions, Study Says 

Mexican gray wolves, an endangered native species, are seen resting in their enclosure at the Museo del Desierto in Saltillo, Mexico July 1, 2020. Picture taken July 1, 2020. (Reuters)
Mexican gray wolves, an endangered native species, are seen resting in their enclosure at the Museo del Desierto in Saltillo, Mexico July 1, 2020. Picture taken July 1, 2020. (Reuters)

Setting aside an additional 1.2% of the world's land as nature preserves would prevent the majority of predicted plant and animal extinctions and cost about $263 billion, according to a study published on Tuesday.

The world is racing to meet a goal to protect 30% of the world by 2030 to protect wildlife that is being decimated by climate change, pollution and habitat destruction.

Global policymakers will meet at a United Nations summit in Colombia in October to discuss plans for reaching that goal.

The study in the journal Frontiers in Science aimed to identify the highest value areas in hope that they be included in those protection plans, said Carlos Peres, a study co-author and conservation ecology expert at the University of East Anglia in the United Kingdom.

"Most countries do not actually have a strategy," Peres said.

"The 30-by-30 targets still lack a lot of details because it doesn't actually say what 30 percent should be protected."

The study's proposed protections would cover an additional 1.6 million square km (633,000 square miles) - an area about a fifth the size of the United States - across 16,825 sites globally that are home to rare and threatened species.

That's on top of the nearly 16% of the world that already have some level of protection.

The study estimated the $263 billion bill is how much it would cost to acquire the new areas, many of which include private property, at current value over the next five years.

"Time is not on our side because it will become increasingly more expensive and more difficult to set aside additional protected areas," Peres said.

Land acquisition makes up most of the cost of creating protected areas, and the study did not consider the upkeep costs for policing the reserves.

About three-quarters of the sites are tropical forests, as those are the world's most biodiverse ecosystems. The Phillipines, Brazil and Indonesia are home to more than half of the high-value sites.

Russia is the single country with the most high-valued area ripe for conservation with 138,436 square km identified in the study, an area the size of Greece.

Several African countries also topped the list with Madagascar having the fourth-highest number of sites overall while the Democratic Republic of Congo had the largest area targeted for conservation on the continent.

The United States is the only developed nation among the top 30 countries in the analysis, with 0.6% of the sites or an area twice the size of Delaware.

The researchers only considered land and freshwater ecosystems but not oceans or marine protected areas. Researchers did not include invertebrates in the study, as the geographical distributions insects and other such animals are not well mapped.



UN Ocean Conference Sets Sail Off France on World Oceans Day

People take photos of vessels during the "Ocean Wonders" event in honor of World Oceans Day ahead of the UN Ocean Conference on Sunday, June 8, 2025, in Nice, France. (AP Photo/Annika Hammerschlag)
People take photos of vessels during the "Ocean Wonders" event in honor of World Oceans Day ahead of the UN Ocean Conference on Sunday, June 8, 2025, in Nice, France. (AP Photo/Annika Hammerschlag)
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UN Ocean Conference Sets Sail Off France on World Oceans Day

People take photos of vessels during the "Ocean Wonders" event in honor of World Oceans Day ahead of the UN Ocean Conference on Sunday, June 8, 2025, in Nice, France. (AP Photo/Annika Hammerschlag)
People take photos of vessels during the "Ocean Wonders" event in honor of World Oceans Day ahead of the UN Ocean Conference on Sunday, June 8, 2025, in Nice, France. (AP Photo/Annika Hammerschlag)

Dozens of research and exploration vessels from around the world set sail just off the French coastal city of Nice on Sunday to kick off the third UN Ocean Conference and pay tribute to World Oceans Day.

The event, themed “Ocean Wonders,” saw the vessels sail across Nice's Baie des Anges, or Bay of Angels, to spotlight the beauty and importance of the ocean while urging world leaders not to lose sight of its value as they make decisions about the planet’s future.

Thousands of delegates, including heads of state, scientists, and environmental advocates, are expected in Nice this week to confront growing threats to the ocean, and the need to transform pledges into protection.

The United Nations has called the threats a global emergency facing the world’s oceans as they confront rising temperatures, plastic pollution choking marine life, and relentless overexploitation of fish and other resources.

Just 2.7% of the global ocean is effectively protected from destructive activities like industrial fishing and deep-sea mining — far below the global goal of 30% by 2030, The Associated Press reported.

Participating boats included the Energy Observer, a solar-panel covered catamaran that was the first vessel to circumnavigate the globe using renewable energy alone. It produces hydrogen fuel on board via seawater electrolysis, offering a vision of zero-emissions maritime travel.

Other standout vessels included France’s Alfred Merlin, dedicated to underwater archaeology; the OceanXplorer, a high-tech billionaire-owned research yacht; and the WWF’s Blue Panda, which is working to map and protect the last remaining seagrass meadows in the Mediterranean Sea.

At the heart of the conference is the push to ratify the High Seas Treaty, adopted in 2023. If it takes effect, the treaty would for the first time allow countries to establish marine protected areas in international waters, which cover nearly two-thirds of the ocean and remain largely ungoverned.

“The High Seas Treaty is critical to ensuring we can protect biodiversity in the ocean,” said Rebecca Hubbard, director of the High Seas Alliance. “We’re in the middle of a biodiversity and climate crisis. We absolutely have to protect the ocean to address those crises.”

But even in waters already designated as protected, enforcement often falls short. Many countries, France included, face criticism from environmental groups over weak regulation and continued industrial activity within their marine protected areas.

“The ambition is not there, the speed is not there, and the scale has not been there,” said Sílvia Tavares, project manager at Oceano Azul Foundation. “Moments like UNOC are key to changing that.”

Several countries are expected to announce new marine protected areas, or MPAs, during the conference, along with bans on bottom trawling and other destructive activities within their existing MPA networks.

The “Ocean Wonders” fleet will remain docked in Nice and open to the public until the conference concludes on June 13.