The Greenkeys projects The problem of abandoned and devalued
urban areas is common among many European cities. The
environmental, economic and social decline, which these areas
often entail, requires rapid reconsideration and improvements as
the lowering of the quality of life may not only spill over to
adjacent neighbourhoods, but also the area itself does not need
to be relinquished. The cities are facing difficulties in
finding an adequate solution to the main problem of how to apply
methods of sustainable rehabilitation to redevelop and enhance
the areas in the long term. The European Commission has started
the EU Community Initiative INTERREG III B CADSES (2005-2008),
which focuses on increasing the sustainability of cities by
initialising the endowment of green spaces. By means of that,
local residents and medium-sized enterprises would benefit
immediately, but the scientific and practical experiences gained
during the projects are equally important as they will promote
transnational cooperation in Euro