consumption overpopulation 消耗量人口過剩 urban heat island 都市熱海島 keystone species 主要種類 greenhouse effect 溫室效應(地球大氣層吸收太陽紅外幅射引起地球表面溫度漸升現象) biodiversity 生物多樣性;生物歧異性;生物龐雜度
...half the world's food. The main causes of this shortage are overpopulation, water pollution, and deforestation. ln lndia, it is estimated that future...
...in the future.And because of longer life we will face the problem of overpopulation. The overpopulation and shortage of resources make us again in trouble...