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Arid ecosystem covers one third of the Earth's surface and is the home town of majority of the population of the world. This ecosystem is also important because it has significant roles in land and water resources management. However, due to anthropogenic land use activities or shifting climate conditions, the features of the ecosystem change and cause diminished vegetative cover, reduced productivity, increased soil erosion, invasion of exotics, and loss of native species. Moreover, in the recent years, earth's vegetative cover may exceed the ecosystem's capacity to adapt, which happens through the consequence of rapid land degradation along with desertification. Therefore, this chapter provides how different regions endeavor with this arid ecosystem by performing various adaptation practices.

Unsustainable logging and illegal logging for domestic and international trade and trafficking continue to lead to deforestation. It is crucial that Sustainable Development Goal 15 ‘Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss’ is achieved to maintain the livelihoods of people and protect the planet. This is the case in Vietnam as well, where many people, including indigenous groups, rely on the forest for their survival. Drawing on semistructured interviews in Vietnam and a literature review, we investigate how the abuse of forest policies leads to human insecurity. From this, we propose solutions to (1) end unsustainable harvesting and illegal logging (SDG 15.7), (2) integrate the value of forests (culturally and economically) into national and local planning, the development process and poverty elimination strategies (SDG 15.9) and (3) improve the use of forest protection funding provided by international donors.

On the eve of the UN Commission on Sustainable Development's (UNCSD) conference on sustainable development (Rio+20) in June 2012, the United Nation's Environmental Program (UNEP)'s Global Outlook Report (GEO-5) provided sobering data on global environmental progress. The report indicated that world nations are making little headway on significant environmental targets set for themselves under the Millennium Development Goals. The UN indicated that world nations made progress on only 4 of the 90 most significant objectives from the Millennium Plan: reducing substances depleting the ozone layer, removing lead from fuel, increasing access to water supplies, and increasing research on ways to reduce pollution in marine environments. However, in some cases no progress or regression occurred in reaching goals on climate change issues including limiting increases in average global temperatures to less than two degrees above preindustrial levels nor advances in issues such as revitalization of depleted fish stocks, protection of biodiversity, and combating desertification (UNEP, 2012).

The United Nations (UN) sustainable development goals (SDGs) that became effective at the commencement of January 2016 constitute a global community agreement calling for action to end poverty, protect the planet and ensure that all people enjoy peace and prosperity. This chapter looks at the nexus between real estate (RE) and SDGs by investigating the extent to which Ghana's RE sector incorporates, especially, environmental sustainability principles from the design and construction stages to occupation, operation and activities aimed at helping to solve the problem of climate change, thereby, contributing to achieving the SDGs. The chapter is theoretical and, therefore, heavily reliant on critical review of relevant extant literature. The chapter has shown that RE cuts across virtually all the sectors that contribute greenhouse gas (GHG) emissions, which over the years have generally been increasing. Only a few buildings in both the private and public sectors (six located in three of the 16 administrative regions in the country) are officially classified as green based on three sustainability-rating systems currently used in the country, which suggests that the uptake of green building technologies (GBTs) is rather low leading to the conclusion that at the moment, the RE sector is not contributing much towards the attainment of the SDGs. However, it may be the case that there are buildings, which are sustainable in one form or the other, but because they have not been officially certified, they are not regarded as green – employing the services of the sustainability-rating agencies to certify buildings involve significant costs that might serve as a barrier in accessing their services. Thus, there is the need for country-wide, large-scale studies that systematically investigate the uptake of GBTs in the private and public RE sectors (not necessarily based on using the rating systems) as that may reveal the actual uptake of GBTs and what can be done policy-wise based on the outcomes of such studies.

The chapter describes the milestones at the global and European level on the path toward sustainable development. The first steps toward a different growth agenda were made in 1970s when the “Limits to growth” highlighted the divergence with the increasing needs of the growing population, the limited supply of resources, the planet can provide and the growing pollution. In 1980s the Brundtland report defined sustainable development as a three-dimensional one: economic, social and environmental, stressing not only the interplay between the goals, but also the global interdependence and the need for joint action to achieve the goals. Several ambitious strategies were prepared, most notably the Kyoto protocol, the Millenium Development Goals and Sustainable Development Goals (SDG), which are shaping global policies at the moment. The European Union has always been at the forefront of the efforts toward sustainability with its ambitious goals, which includes not only achieving SDGs, but also moving further, for example, toward a circular development approach.