That our nature reserves and environment is recognised for the value and importance that it is worth. To ensure that generations to come can appreciate our natural environment, that our land is looked after and that we retain the shared ownership of this land, instead of selling it off to make a quick buck.
http://www.guardian.co.uk/politics/2010/aug/13/plan-sell-nature-reserves-austerity-countryside?showallcomments=true#comment-51
Because our natural environment is a precious resource.