During the twentieth century, the southwestern corner of Australia was cleared for intensive agriculture. In the space of several decades, an arc from Esperance to Geraldton-an area of land larger than England-was cleared of native flora for the farming of grain and livestock. Today, satellite maps show a sharp line ringing Perth. Inside that line, tan-colored land is the most visible sign from space of human impact on the planet. Where once there was a vast mosaic of scrub and forest, there is now the Western Australian wheatbelt. Tony Hughes-d'Aeth examines the creation of the wheatbelt...
During the twentieth century, the southwestern corner of Australia was cleared for intensive agriculture. In the space of several decades, an arc f...