In 2016, after 15 years of work, a historic deal turned part of Antarctica into the world's largest marine reserve

After more than a decade of negotiations, setbacks and patience, the world reached a landmark agreement to protect one of Earth's last untouched marine ecosystems. In 2016, member nations of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) unanimously approved the creation of the world's largest marine protected area in Antarctica's Ross Sea, as per a report by the California Academy of Sciences.



According to National Geographic, the announcement sparked an emotional reaction as "the meeting room erupted into applause, some individuals cried, others embraced." The celebration followed a unanimous decision by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to establish the world's largest marine protected area in Antarctica's Ross Sea.


For researchers such as Stanford's Cassandra Brooks, the agreement marked the successful conclusion of years of persistence after repeated disappointments.

Nearly two years earlier, Brooks had described the frustration surrounding failed negotiations, saying, "CCAMLR couldn't achieve consensus around these proposed areas, and they failed due to individual economic interests." Even then, she remained hopeful, adding, "International law takes a long time." Her patience ultimately paid off.

Why did the agreement take so long?

The effort to establish a marine protected area in the Ross Sea began in 2002, but reaching unanimous approval among all CCAMLR members proved difficult.

By 2013 and 2014, most participating nations supported the proposal. However, several countries, including China, Japan, Norway, Russia and Ukraine, continued raising concerns about restrictions on commercial fishing.

By 2015, every member except Russia had agreed to the proposal, as per a report by the California Academy of Sciences.

The final breakthrough came after discussions between U.S. Secretary of State John Kerry and Russian Foreign Minister Sergei Lavrov. Those talks followed Russia's commitment to expand protected areas in the Arctic, eventually clearing the way for unanimous approval.

What makes the Ross Sea so important?

The agreement created a protected area covering approximately 1.55 million square kilometers (600,000 square miles). It officially came under protection on December 1, 2017.

About 28 percent of the protected region was designated as research zones, while commercial fishing was banned throughout the marine reserve, as per a report by the California Academy of Sciences.

Although the Ross Sea appears harsh and remote, it supports an extraordinary range of marine life. According to the information provided, nearly 16,000 species live in the region, including whales, seals, fish, penguins, seabirds and vast numbers of krill, which form an essential part of the Antarctic food chain.

The agreement also helps protect species vulnerable to commercial exploitation. Krill, valued for its oil, and the Antarctic toothfish, sold in the United States as Chilean sea bass, had faced concerns about overfishing.

The Pew Charitable Trusts noted that the agreement "will also implement crucial policies needed to guide human activities such as fishing, shipping, and tourism, safeguarding this region, one of the last pristine oceans left on Earth."

How was consensus finally reached?

The agreement represented more than environmental protection. It also demonstrated how international cooperation can overcome years of disagreement.

For Brooks, the unanimous decision confirmed that persistence can eventually produce results, even when negotiations appear stalled.

The story also echoed the words of Christopher Jones, a research fishery biologist with NOAA, who said success sometimes comes through "plain old perseverance."

After 15 years of negotiations, setbacks and renewed discussions, the Ross Sea became home to the world's largest marine protected area, preserving one of the planet's most remarkable ocean ecosystems for the future.

FAQs

When was the Ross Sea marine reserve approved?
CCAMLR unanimously approved it in 2016.

Why is the Ross Sea important?
It is home to around 16,000 marine species, including whales, penguins, seals and krill.