HIDDEN behind a row of trees and a rusted barbed-wire fence on a rutted dirt road in the Ecuadorean jungle, Shushufindi 61, a pit in which oil waste is dumped, is hardly a beauty spot.

• 在厄瓜多尔舒舒分地61区的热带丛林中，一排排的树木和生锈的带刺铁丝围栏之后，藏匿着一处石油废料倾倒坑，周围肮脏的地上尚留有车辙。这样的景象实在让人难以恭维其天然屏障的美丽。