Report: Decline of Global Wetlands Risks $39 Trillion Economic Loss by 2050

Report: Decline of Global Wetlands Risks $39 Trillion Economic Loss by 2050
Above: Yani National Wetland Park at the convergence of the Yarlung Zangbo River and Nyang River in Nyingchi. Image credit: Feature China/Future Publishing/Getty Images

The Facts

  • The world has lost approximately 22% of its wetlands since 1970, representing 411 million hectares or roughly half a billion football pitches, making wetlands the fastest-disappearing ecosystem globally according to the Global Wetland Outlook 2025 report released by the Convention on Wetlands.
  • Without urgent action, an additional one-fifth of remaining wetlands could vanish by 2050, potentially costing the global economy up to $39 trillion in lost ecosystem services including flood regulation, water purification, carbon storage, and support for fisheries and agriculture.
  • Despite covering only 6% of Earth's surface, wetlands provide ecosystem services valued at more than 7.5% of global GDP, with annual losses occurring at a rate of 0.52% per year, undermining efforts to combat climate change and biodiversity loss worldwide.

Sources Split


The Spin


Climate-concerned narrative

This crisis demands immediate global action before we lose irreplaceable natural infrastructure that protects communities from floods and storms. The $39 trillion price tag represents real economic devastation that will hit hardest in developing nations already struggling with climate impacts. Every day of delay makes restoration more expensive and less effective.

Climate-skeptic narrative

The report's astronomical figures seem designed to create panic rather than promote practical solutions, with restoration cost estimates varying wildly from $1,000 to $70,000 per hectare suggesting uncertain methodology. Many countries are already making progress on wetland conservation without massive new spending programs that could burden taxpayers unnecessarily.


Metaculus Prediction


The Controversies


© 2026 Improve the News Foundation. All rights reserved.Version 7.17.1

© 2026 Improve the News Foundation.

All rights reserved.

Version 7.17.1