Mais um exemplo de colapso, ou de como os humanos alteram os ecosistemas

Ancient Peruvian Nazca turned land to desert | Environment | The Guardian: "Ancient Peruvian Nazca turned land to desert Lessons to be learned from Nazca civilisation, which exposed itself to floods after mass deforestation, research says".

Sobre a questão do "colapso" fazer um pesquisa no motor de busca que a Google disponibiliza no cimo do blogue.