Excessive deforestation not only destroys the habitats of wild animals like orangutans; even worse, as the ravaged lands are used for planting single crops, crop disease resistance is weakened from lack of biodiversity, requiring massive use of chemical fertilizers and pesticides, leading to soil and water pollution and a chain of ecological devastation.
過度砍伐森林，不僅令紅毛猩猩等野生物種喪失家園，更糟的是，摧毀後的林地若改種單一能源作物，在生物多樣性被破壞、作物抗病能力大幅弱化下，將使用大量的化肥和殺蟲劑，造成土壤、水資源污染，以及一連串的生態浩劫。