The civilization of which humankind is so proud has produced global warming and El Nino, and has extended the territorial scope of disease vectors, including the malaria and dengue mosquitoes, from the tropics to temperate zones.
人類不斷誇耀自己的文明，造成全球暖化，加上聖嬰現象，以致以往只有在熱帶地區才有的疾病，因為病媒的版圖擴張，造成溫帶地區也發生瘧疾、登革熱。