UNDP’s support to countries on sustainable land management and restoration is designed to enhance livelihoods, secure food and water, build resilience and increase carbon storage and sequestration. Drawing on over 40 years of experience and expertise, UNDP assists countries to integrate land and related environmental concerns into national and sectoral development plans and strategies, secure resources, and implement programmes that advance inclusive, sustainable growth and development.

The Great Green Wall is one of the main vehicles for delivering the Sustainable Development Goals and the Rio conventions in the Sahel. Biodiversity is the foundation of the Great Green Wall in many ways, determining soil productivity and water cycles and providing the foundation for risk management and resilient ecosystems. The Great Green Wall can make a major contribution to achieving many of the Sustainable Development Goals.

The authors briefly review how microbial biotechnology can contribute to improve activities aiming to restore degraded drylands and to combat their desertification, which are an integral part of the Sustainable Development Goal 15 of the 2030 Agenda. Microbial biotechnology offers notable promise to improve restoration actions based on the use of biocrust‐forming engineered cyanobacteria, which play key roles in maintaining ecosystem structure and functioning in drylands worldwide.

Funding from the voluntary carbon market (VCM) can help to restore productive landscapes, if it is embedded in the local context of traditions and in state governance systems. Restoration efforts under a performance-based VCM programme, if planned well, can also improve livelihoods.

Federal investments in ecosystem restoration projects protect Federal trusts, ensure public health and safety, and preserve and enhance essential ecosystem services. These investments also generate business activity and create jobs. It is important for restoration practitioners to be able to quantify the economic impacts of individual restoration projects in order to communicate the contribution of these activities to local and national stakeholders.

The review was conducted with the aim to provide guidance for future engagement / investments, in particular in the context of recent AU declarations on agriculture and on land restoration by NEPAD, GEF, TerrAfrica, the Great Green Wall Initiative for the Sahel and Sahara (GGWISS), UN agencies and other donors.
This paper provides an abridged summary of the findings for easier access by country policy / decision
makers, agencies, development partners and donors, as a basis for informing future interventions for scaling-
up sustainable land management (SLM).

Land is of multi-dimensional character. It is multi-scale, multi-functional, multi-sectorial, multi-actor based: it needs people from practice and research to interact as equal partners to make sense of research for sustainable land management. The kind of research needed to deal with this complexity and these challenges we term implementation-oriented research. With its many practical examples, this book explores alternatives to the often perceived ‘either – or’ choice between agricultural intensification on the one hand, and expansion of arable land on the other.

Land take, or the change from non-artificial to artificial land cover, reflects on-going and often conflicting claims on land. Some of the land that is 'taken' for urban development is covered with an impervious surface, which severely hampers ecosystem functioning and the related delivery of ecosystem services.

This chapter sets out to present a short review of (i) the general context of land degradation under the framework of UNCCD – the international convention on desertification with a specific focus on Land Degradation Neutrality, and (ii) examples of the main processes responsible for soil degradation (e.g. surface crusting, runoff and water erosion, tillage erosion, wind erosion, and salinization), along with the principles of desertification control and land rehabilitation, in light of the socioeconomic context and ecological conditions and processes.

States of ecological maturity and temporal trends of drylands in Morocco, Algeria and Tunisia north of 28 N are reported for 1998–2008. The input data were Normalized Difference Vegetation Index databases and corresponding climate fields, at a spatial resolution of 1 km and a temporal resolution of one month. States convey opposing dynamics of human exploitation and ecological succession. They were identified synchronically for the full period by comparing each location to all other locations in the study area under equivalent aridity.

In a world grappling with the challenges of food insecurity, climate change, landscape degradation, and rural poverty, regreening offers a path forward, especially in dryland areas. The transformation of degraded landscapes—restoring productivity and increasing resilience through the widespread adoption of agroforestry and sustainable land management practices—can deliver food, climate, and livelihood benefits.
Table of contents:
Part I. Introduction
Part II. How and Where is Regreening Happening?
Part III. The Impacts Of Regreening

From the content:
2 Drylands and the benefits of restoration 5
2.1 What are drylands? 5
2.2 The importance of forests and trees in drylands 6
2.3 Key challenges in drylands 8
2.4 Restoration in drylands 13
3 Guidelines for policymakers and other decision-makers: establishing a strong enabling environment 19
3.1 Enabling and investing in assessment and monitoring 19
3.2 Addressing the drivers of land degradation by engaging in cross-sectoral dialogue and planning at the landscape scale 22