UN Warns Degraded Land Costs Nearly $1 Trillion a Year
The United Nations is warning that the world may be paying far more to live with degraded land than it would cost to restore it. Speaking on August 25, 2026, during the high-level opening of the United Nations Convention to Combat Desertification’s COP17 in Ulaanbaatar, Mongolia, UN Deputy Secretary-General Amina Mohammed said the annual cost of inaction is at least $878 billion.
Her warning came as governments and other institutions met under the theme “Restoring Land. Restoring Hope.” COP17 runs from August 17 through August 28 and is framing land restoration and drought resilience as economic, food-security and water infrastructure—not only as environmental programs.
The three numbers behind the warning
A UNCCD financial-needs assessment estimates that approximately $355 billion is required each year between 2025 and 2030 to meet current land-restoration and drought-related targets. Current annual investment is estimated at about $77 billion, leaving a gap of roughly $278 billion per year.
The $878 billion figure is an estimate of the annual cost of doing too little. UNCCD materials describe it as including lost productivity, soil depletion, drought damage and carbon emissions. It is not a precise audited total of every global loss, and it does not represent a new treaty obligation or a single funding bill already approved by governments.
UNCCD conference documentation estimates that restoration could generate up to $1.8 trillion in annual benefits and as much as eight dollars in benefits for every dollar invested. A separate UN account describes a modeled return range of $7 to $30 per dollar. These are projections, not guaranteed results for every project, country or community.
Why degraded land reaches household budgets
UNCCD says up to 40% of the world’s land is degraded and that droughts have increased in frequency and duration by 29% since 2000. The effects are uneven across countries and landscapes, but the consequences can travel through food, water, energy systems and public finances.
Lower soil productivity can reduce farm output and household income. When production falls, food systems may face higher costs and greater pressure on prices. Pastoralists and other land-dependent workers can lose grazing capacity and earnings. Governments may then need to spend more on emergency assistance, water supply, agricultural support and disaster response, while receiving less tax revenue from affected local economies.
Drought can also place pressure on energy systems when hydropower output falls or water-intensive generation becomes more difficult. It can increase competition for water and worsen fiscal strain for countries already facing high debt or limited access to finance.
Water is part of the infrastructure argument
At COP17, UNCCD has presented wetlands and restored ecosystems as forms of natural water infrastructure. Healthy landscapes can help hold water, support groundwater recharge, reduce erosion and improve preparedness for drought, although restoration cannot eliminate drought or guarantee reliable supplies everywhere.
A separate ministerial dialogue on drought resilience called for a shift from reactive relief to proactive risk reduction. The policy discussion includes stronger early-warning systems, national drought governance, science-policy coordination and financing tied to long-term resilience.
What governments and investors are considering
The financing discussion remains a call for action, not a finalized global funding commitment. Proposals under discussion include placing land and drought resilience in national budgets and development-finance portfolios, repurposing harmful subsidies, using environmental taxes and land-degradation fees, and expanding sustainability-linked bonds and loans.
UNCCD materials also point to guarantees, insurance, first-loss capital and blended finance as ways to reduce risks for private investors. The aim is to make restoration projects more investable while keeping public and concessional finance involved where private capital is unlikely to move on its own.
The implementation test
An advance UNCCD Global Mechanism report prepared for the conference says 125 country Parties have pledged to restore more than one billion hectares under several international processes. It reports that little more than 10% of the pledged area has been verified as implemented, under restoration or under improved management.
The document is marked “Unofficial unedited copy for information purposes only” and is dated May 14, 2026. It should therefore be treated as advance conference documentation rather than a final decision. Its figures reinforce the central implementation question: whether pledges and plans will become funded, measurable work.
Before COP17 closes on August 28, the key questions are whether countries announce concrete financing, whether any new vehicles have identifiable capital and rules, and whether implementation measures include farmers, pastoralists, Indigenous Peoples and local communities. The UN’s argument is that restoring land may be cheaper than repeatedly paying for the economic and social damage caused when it fails.
Sources
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