In his work about Mediterranean Europe he doubts the common wisdom of a 'Lost Eden,' a formerly fertile region, that had been progressively degraded and desertified by human mismanagement.
In seinem Werk über das mediterrane Europa bezweifelt er die Legenden des "Verlorenen Paradises", einer früher fruchtbaren Region die aufgrund menschlichem Missmanagements zunehmend verödete und verkarstete.