快速而不受控制的人口增长以及由此导致的资源消耗，就算不是引起环境问题的全部原因，也是主要原因。
Rapid and unchecked human population growth and the resulting increases in resource consumption lie at the heart of most, if not all, environmental problems.
人口的增长虽然只是食品需求增长的部分原因，但是人口增长所带来的全球变暖、长期气候变化等问题仍然给农业带来了巨大的威胁。
While population growth accounts for only a modest part of the growing demand for food, it can contribute to global warming, and long-term climate change can threaten agriculture.
植被转移的可能原因包括降雨减少，人口增长及土壤肥力的下降。
Possible causes of the vegetation shift include declining rainfall, growing human population and decreasing soil fertility.
人口普查报告显示，拉美裔人是德克萨斯州、亚利桑那州和佛罗里达州人口增长的最主要原因之一。
The census report shows that Hispanics are a major reason for population growth in states like Texas, Arizona and Florida.
但是有些专家辩护称人口增长只是美国消费增长的部分原因。
But some experts argue that population growth only partly explains America's growing consumption.
人口增长和超载放牧是土地利用变化的主要原因。
The population increase and overherd are main reasons for that.
造成物种消失的原因有很多，包括采伐森林、开发农业用地、过度开采、人口增长、污染以及外来物种入侵等。
Multiple factors have contributed to the demise, including logging, agricultural land conversion, over-exploitation, population growth, pollution and the impact of invasive alien species.
人口增长也是中国普及中等教育比较缓慢的一个重要原因。
Reference:Population increase is also a major factor behind Chinas relative slowness in establishing universal secondary school education.
原因之一就是亚洲的人口增长速度很快，该地区的经济体需要增长更快才能提供足够多的就业岗位。
One reason is that population growth is faster in Asia, and the region's economies need to grow more rapidly to create enough jobs.
人口增长的主要原因不是由于出生率的上升和死亡率的下降，而是因为医疗条件的改善。
The main reason for the population growth isn't so much a rise in birth rates as a fall in death rates as a result of improvements in medical care.
人口增长也是中国普及中等教育比较缓慢的一个重要原因。
Referenceopulation increase is also a major factor behind China's relative slowness in establishing universal secondary school education.
墨尼黑再保险公司在其列出的索赔要求日益增加的五点原因，认为人口增长首当其冲，天气变化则列在第五。
In its five-point list of causes for increased damage claims, Munich re blamed population growth first, climate change fifth.
人口增长的主要原因与其说是出生率的上升，不如说是由于医疗进步带来的死亡率下降。
The chief reason for the population growth isn't so much a rise in birth rates as a fall in death rates as a result of improvements in medical care.
人口增长的主要原因与其说是出生率的上升，不如说是由于医疗进步带来的死亡率下降。
The chief reason for the population growth isn't so much a rise in birth rates as a fall in death rates as a result of improvements in medical care.
应用推荐