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The Ramsar Convention on Wetlands is signed

On this day · 2 February 1971
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In a small Iranian resort town, delegates from 18 nations agreed the first global treaty devoted to saving the planet's wetlands.

Verified · UNESCO

On 2 February 1971, delegates from eighteen nations gathered in the Caspian Sea resort of Ramsar, Iran, and signed the Convention on Wetlands of International Importance. It was the first modern global treaty built around a single type of habitat, and it broke fresh ground in international environmental law.

The driving worry was water birds. Through the 1960s, conservationists watched marshes, estuaries, and mudflats being drained and built over, and waterfowl populations falling with them. Rather than protect a species, the treaty protects the places birds and people depend on, asking each member to list and safeguard wetlands of international importance and to use all wetlands wisely.

Wetlands filter water, buffer floods, store carbon, and feed millions, yet they are among the fastest-disappearing ecosystems on Earth.

The agreement entered force in 1975 and now spans most of the world’s countries and thousands of listed sites. Its birthday, 2 February, is marked each year as World Wetlands Day.

18
founding nations
1971
year signed
Feb 2
World Wetlands Day

Sources & references

2 references

Well-established. Corroborated by 2 independent sources.

1 UNESCO institution “The treaty was adopted on 2 February 1971 in the Iranian city of Ramsar.” unesco.org ↗
2 EBSCO Research Starters — 'Misinformation effect' institution “This agreement, reached by delegates from eighteen nations on February 2, 1971, in Ramsar, Iran, broke new ground in global environmental efforts.” ebsco.com ↗
✓ Last reviewed Jun 7, 2026

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