Soils around the world are degrading rapidly, reducing ecosystem diversity and some important functions, threatening food and other human securities, and increasing vulnerability to climate change. This is a vicious cycle created by and leading to further unsustainable land-use practices. Integrated (‘nexus’) soil, land, water and ecosystem management can help to turn it into a virtuous cycle.

The importance of forests for climate change mitigation and species conservation, as water stores and oxygen producers, soil protectors and humus providers, is well known. However, over 13 million hectares of forest are lost each year, mainly in the tropics.

Rangelands cover 30 per cent of the global land surface. They support a considerable share of the global ruminant value chains, are habitat for a high plant and animal diversity and have various ecological, economic and social functions. But rangelands are currently under pressure from global change processes. A focus on humananimal- environment interactions is necessary to avoid resource overexploitation and degradation.

In rural areas of many developing countries fuelwood constitutes the only energy source – often with negative impacts on humans and the environment. Wise management and modern technology can guarantee a sustainable use of this valuable resource, as some examples from Latin America demonstrate.

Since 2006, a European Union-wide strategy on soil conservation has been in existence that is to address the complex roles that soil plays as a natural resource. However, a legally binding agreement has so far met with opposition by a blocking minority of EU Member States. Does the EU nevertheless offer prospects for soil conservation?

If legal instruments are not fully implemented, there is a risk they remain in the domain of virtual reality and wishful thinking.The UN Convention to Combat Desertification (UNCCD) has come a long way since it came into force in 1996, with current membership standing at 191 Parties. 2006 was a landmark year.

Two images have dominated the northern media in recent months.The first is of desolation in remote, rural areas in Africa affected by drought, conflict or famine, such as in Somalia, northern Kenya or Darfur, Sudan. The second is a different kind of desolation - that of urban squalor as portrayed in the film «The Constant Gardener». Nairobi's Kibera, which provides a backdrop for the film, is a bustling shantytown with a population of ca.

The Millennium Ecosystem Assessment projects that the intensification of freshwater scarcity in combination with continuous water extraction from delicate dryland ecosystems is likely to exacerbate desertification, thus leading to a downward spiral of ecological deterioration and a precarious depreciation of livelihoods in many developing regions. This in turn can push people to migrate, which can have far reaching implications affecting local, regional, and even global political and economic stability.

Desertification is nowhere more serious than in the Middle East and North Africa (MENA), stretching from Pakistan in the east to Morocco in the west, and from Ethiopia and Sudan in the south to Turkey in the north. Yet, many MENA countries have successfully rehabilitated large areas. Concerted efforts can indeed stop and even reverse desertification, though their long-term success will depend on how well they manage their limited water resources.

The tsunami disaster on 26 December 2004 claimed more than 200,000 lives. It triggered an unprecedented outpouring of reconstruction assistance from both private and public donors.The prompt provision of emergency relief averted the threat of epidemics and prevented major movements of refugees out of the affected regions. However,many of the reconstruction measures failed due to poor coordination between the actors involved and the lack of expertise underlying some of the interventions.The reconstruction effort was also very slow to get off the ground.

2005 was a year of natural disasters.The impacts of the tsunami in the Indian Ocean, Hurricanes Katrina and Stan, and the Pakistan earthquake prompted calls for better disaster prevention and preparedness systems. Nature's power renders us impotent, but human actions and omissions are clearly worsening the impacts of disasters in some cases.This is where risk reducing measures must lock in, as the last fifteen years of international disaster risk management show.

The economy of the Amazon region relies heavily on water for transport and livelihoods. Important also for the regional water cycle, the Amazon ecosystems are threatened by climate change, although there is little knowledge about the likelihood of adverse events and potentially related vulnerabilities. Therefore research and building up capacities for collective action are cornerstones of adaptation to climate change. Since 2008, strategic policy approaches have emerged. The region has only started to prepare itself for the things to come.