Human population growth continues but is unevenly distributedyear1 200million, year 1804 1billion, year1927 2billion, year1960 3billion, year1975 4billion (exponential growth)
sanitation公共衛生,環境衛生
antibiotic抗生素,抗菌素
vaccine疫苗
影響人口增加的三因素1.expand into diverse new habitats 2.mordern agriculture 3. development of sanitation systems, antibiotics, and vaccines
目前全球人口增加率為1.23％每年
least equipped最少的裝備
分布不平均－已開發國家0.1％(1.2million)，開發中國家1.5％(80.8million)
We do not know how long the human population can keep growing
deliberate深思熟慮的,慎重的
sidestepping side-step避免
steadily平穩地
Case study- are there too many of us?
sheer全然的;純粹的
intrusion侵入;闖入
proponent提議人;擁護者
intensify加強,增強
impairing削弱;減少
