Whatever happened to Sustainability

The European Social Consensus is firm on the idea of sustainability of development, whatever that means. Now I have never really understood this concept, but I am sure that they do not mean this:

BirdLifes scientific studies from the last 30 years have shown that 70% of the 173 different priority bird species which are dependent on farmland habitats in Europe are endangered. This dramatic decline is clearly associated with the Common Agricultural Policy which over the last 40 years has stimulated changes in land use in Europe that have had a devastating effect on bird populations, other wildlife and natural habitats.

Even the Birds are saying, Ceterum censeo Unionem Europaeam esse delendam