China transforms desert-devastated area into the world's largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a "green lung" of 92,000 hectares in a region once considered lost.

China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Written by Alisson Ficher

Published on 13/06/2026 at 15:46

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Degraded region in northern China became a global reference in reforestation after decades of planting, continuous management, and large-scale environmental recovery, creating a green barrier capable of reducing erosion and containing the sand that was advancing towards urban areas like Beijing.

A degraded area in northern China has become one of the most well-known cases of large-scale reforestation in the world, after decades of planting and continuous management in Saihanba, in Hebei province, near the border with the Inner Mongolia Autonomous Region.

According to the United Nations Environment Programme, the area covers 92,000 hectares and was recovered after becoming arid in the 1950s, when excessive tree cutting left the soil exposed and facilitated the advance of sand towards Beijing.

The project began in 1962, with hundreds of foresters sent to a region marked by intense cold, strong winds, and low soil fertility.

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Saihanba became a green barrier against the sand

Saihanba is located in a sensitive transition zone between dry areas of northern China and more populous urban regions further south.

Before the recovery, the loss of vegetation favored erosion and allowed winds to carry sand from the northern deserts towards the Chinese capital.

The change did not occur through a quick planting campaign, but through a prolonged process of seedling replacement, vegetation protection, and management adapted to local conditions.

In cold and dry areas, young trees have a lower chance of survival when the soil has lost organic matter and remains exposed to constant winds.

With the advancement of vegetation cover, the forest began to function as a physical barrier against sand particles, as well as helping with water retention and soil protection.

This function explains why Saihanba is treated as a strategic ecological barrier for northern China, especially in the influence axis over Beijing and Tianjin.

UNEP reported that the forest provides 137 million cubic meters of clean water per year to the regions of Beijing and Tianjin.

The same source attributed to the site the annual release of about 550 thousand metric tons of oxygen, in addition to economic impact related to green activities.

UN Recognition Consolidated the Case

International recognition came in December 2017, when Saihanba was announced among the winners of the Champions of the Earth.

The award is presented by UNEP as the UN’s highest environmental honor and recognizes leadership and initiatives from governments, civil society, and the private sector with a significant impact on the environment.

In the official award description, the UN highlighted that the area had become barren in the 1950s due to excessive logging.

This degradation, according to the organization, paved the way for sand blown from the northern deserts to reach Beijing more easily.

The director of the Saihanba reforestation community, Liu Haiying, told the UN that the workers cultivated and protected the forest “like their own children” throughout the existence of the forest farm.

The statement was made in the context of the recognition received by the project, which at the time was completing 55 years of implementation.

The Chinese state press also began to present Saihanba as the largest artificial forest in the world.

In a November 2025 publication, the China Daily described the Saihanba Mechanized Forest Farm as an area of about 93 thousand hectares, with 82% forest coverage.

Environmental Recovery Generated Economic Activity

The restoration of Saihanba was not limited to landscape recomposition.

According to a UNEP statement released in 2017, green economic sectors associated with the forest generated US$ 15.1 million in 2016, in activities related to the sustainable use of the area.

This aspect made the case relevant for debates on the recovery of degraded areas, as reforestation became associated with new forms of local income.

Tourism, forest management, and environmental appreciation of the territory entered the narrative of the region’s transformation.

Even so, the example of Saihanba shows that recovering a degraded area requires more than planting a large number of trees.

The permanence of the forest depends on maintenance, choice of suitable species, protection against losses, and monitoring of soil and water conditions.

In arid or semi-arid regions, restoration encounters natural limits that need to be considered.

Strong winds, low temperatures, little organic matter, and reduced water availability hinder the growth of seedlings and make the continuity of management as important as the initial planting.

Reforestation became a Chinese symbol against desertification

China maintains different programs for desert containment and vegetation cover expansion, but Saihanba holds a particular position due to its scale, international recognition, and a long-term narrative.

The area has ceased to be presented merely as a forestry project and has come to symbolize the ability to restore degraded landscapes in adverse environments.

Data released in January 2026 by the Hebei government indicate that the certified area of the forest farm covers 93,337.62 hectares, a number close to the record of 92,000 hectares used by UNEP on its award page.

The difference arises from the bases and cuts used by the sources, without altering the main sense of the described environmental transformation.

The story of Saihanba continues to be used as a reference in discussions on desertification, erosion, and ecological restoration.

Instead of a one-time intervention, the case shows work maintained for more than six decades, in which the recovery of vegetation also altered the relationship between soil, water, wind, and human occupation in northern China.

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China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Degraded region in northern China became a global reference in reforestation after decades of planting, continuous management, and large-scale environmental recovery, creating a green barrier capable of reducing erosion and containing the sand that was advancing towards urban areas like Beijing.

Saihanba became a green barrier against the sand

UN Recognition Consolidated the Case

Environmental Recovery Generated Economic Activity

Reforestation became a Chinese symbol against desertification

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China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Degraded region in northern China became a global reference in reforestation after decades of planting, continuous management, and large-scale environmental recovery, creating a green barrier capable of reducing erosion and containing the sand that was advancing towards urban areas like Beijing.

Saihanba became a green barrier against the sand

UN Recognition Consolidated the Case

Environmental Recovery Generated Economic Activity

Reforestation became a Chinese symbol against desertification

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

In just one cast, fishermen are surprised to capture 14,096 mullets in Bombinhas and close a historic season with 58,000 fish; scene recorded in the Santa Catarina paradise marks the last day of the 2026 season.

Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.

Using high-resolution satellite images, archaeologists rediscovered the Egyptian city of Imet, buried for centuries in the Nile Delta, revealing rare multi-story houses, granaries, and a sacred road linked to the cobra goddess Wadjet, from about 2,400 years ago.

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