Land degradation and biodiversity loss are among the most pressing environmental challenges facing humanity. Land degradation has reduced the productivity of nearly one-quarter of the global land surface, impacted the wellbeing of about 3.2 billion people and cost about 10% of annual global gross domestic product in lost ecosystem services. An estimated 23% of total anthropogenic greenhouse gas emissions derive from agriculture, forestry and other land uses, contributing to climate change.

Desertification, land degradation and drought affect more than 2 billion people and the situation might worsen due to the unsustainable use of soil and water under present scenarios of climate change. The UNCCD 10-year strategy points out the importance of science, knowledge sharing systems and awareness raising to support policymakers in reversing this trend. Sustainable land management practices, including sustainable agriculture, provide important local, regional and global benefits.

Numbers can tell a compelling story. In this brochure, the numbers highlight how much we rely on productive land. Amongst other valuable services, land feeds our families, provides fresh water and powers our future ambitions. Much of the data collected here, however, demonstrate how close we are to pushing our relationship with the land to breaking point. The magnitude of the challenges and potential consequences of failing to implement bold action on land and soil, in terms of future social stability and economic development, should not be underestimated.

Human activities are the principal drivers of the processes of land degradation, desertification and climate change. Though highly complex and difficult to predict, interactions between climate change and land degradation are likely to affect a range of different ecosystem functions and the services they deliver, with consequent impacts on food production, livelihoods and human well-being. Society must therefore mitigate or reverse these stresses through innovative approaches.

Land has many uses. It provides water, food and energy. It is used to create wealth and employment and grow economies. And it provides other, often less obvious and tangible, services such as conserving biodiversity, storing carbon, purifying and storing water. It even regulates the Earth’s climate, for instance, by absorbing the heat from the sun. All of its uses are undermined and destroyed when land is degraded. Degrading the land disrupts these functions and leads to severe food, water and energy shortages.

Land degradation neutrality (LDN) is achieved if land degradation is avoided or reduced, and new degradation is balanced by reversing degradation elsewhere in the same land type through restoration or rehabilitation. The primary instrument for avoiding and reducing degradation is the application of sustainable land management (SLM) approaches and technologies. Because of its multifunctional roles and its sensitivity to land management, soil organic carbon (SOC) is one of the three global indicators for LDN, so predicting and monitoring change in SOC is vital to achieving LDN targets.

Energy is central to nearly every major challenge and opportunity the world faces today. Be it for jobs, security, climate change, food production or increasing incomes, access to energy for all is essential. Sustainable energy is an opportunity too as it fuels lives, economies and the planet. Getting sustainable energy to all who want it represents one of the biggest development challenges of the 21st century.

Land degradation refers to any reduction or loss in the biological or economic productive capacity of the land resource base. It is generally caused by human activities, exacerbated by natural processes, and often magnified by and closely intertwined with climate change and biodiversity loss. SLM practices include the integrated management of crops (trees), livestock, soil, water, nutrients, biodiversity, disease and pests to optimize the delivery of a range of ecosystem services. The overall objective is to maximize provisioning services (e.g.

Located in the arid and semi-arid areas of West Africa, the Sahel has undergone profound changes over the past 50 years. Known for the prevalence of land degradation processes, the Sahel is suffering from the combined negative effects of population growth, human activities and climate variability, resulting in recurrent droughts and the continued decline of natural resources and land productivity.

The UNCCD-SPI technical report “Realising the Carbon Benefits of Sustainable Land Management Practices: Guidelines for Estimation of Soil Organic Carbon in the Context of Land Degradation” provides decision guidance for the estimation of soil organic carbon (SOC) in support of appropriate deployment of sustainable land management (SLM) technologies, in order to maintain or increase carbon in the soil and contribute to the achievement of land degradation neutrality (LDN).

Two billion hectares of productive land are degraded worldwide. This is an area larger than South America or twice the size of China, and 500 million hectares of this is abandoned agricultural land. We continue to degrade another 12 million hectares of productive land every year. We need to break this destructive cycle because the benefits of preventing land degradation and reversing it are far greater than the gains from degrading new land year after year.

Numbers can tell a compelling story. In this brochure, the numbers highlight how much we rely on productive land. Amongst other valuable services, land feeds our families, provides fresh water and powers our future ambitions. Much of the data collected here, however, demonstrate how close we are to pushing our relationship with the land to breaking point. The magnitude of the challenges and potential consequences of failing to implement bold action on land and soil, in terms of future social stability and economic development, should not be underestimated.