The degradation of the Natural Capital bio-structure, diversity and functional capacity and, consequently, the deterioration of resources and services provided to society, in the benefit of humans, at national, regional and global level, was and still is scientifically documented ( Vădineanu et al., 2001Vădineanu 2001, 2009; Millennium Ecosystem Assessment, 2005; Global Biodiversity Outlook, 2001, 2006, 2010, 2012; Cardinale et al. 2012; TEEB 2008, 2010, 2011, 2012, 2013)

      In the last century, the intensification and globalization of human stressors (e.g. exponential growth of human population, colonisation, land use changes, habitat fragmentation, increasing use of genetic modified organisms, over exploitation of natural resources, pollution) determined, directly or indirectly, major structural and functional changes at the ecosphere level (generically known as global changes), affecting its resilience.

      In order to overcome this global crisis, world states decided to adopt a new development model – sustainable development. In this context, the scientific validation is essential for understanding, identifying and proposing effective long term solutions for achieving the global aim of sustainability.