In the mid 1980s our world first overshot its capacity to provide for its human population, yet this population continues to grow and we continue to live on borrowed time.
在20世纪80年代中期，我们世界人口第一次超越其承受能力，但这一人口仍在持续增长，我们也继续生活在寅吃卯粮的窘境中。
Above all, with the human population set to increase by half over the next 40 years, the world needs to work out where its food is going to be produced.
接下来的40年中，人口势必能够在现在的基础上增长半数，世界上最重要的任务就是要找到合适的地点生产我们的粮食。
And, off-world colonization might help absorb an exploding human population.
再者，地外殖民化有可能帮助容纳爆炸的人口。
Such environmental degradation, coupled with the growth in world population, are major causes behind the rapid increase in human diseases, which the world Health Organization has recently reported.
世界卫生组织近来报道环境恶化和世界人口的增多是人类疾病迅速增多背后的主要原因。
The emergence of human cloning, will not lead to the rapid growth of the world population.
克隆人的出现，不会导致世界人口的快速增长。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果你移除地球上所有由原子构成的每个人之间的空白空间，那整个世界的人口都可以装在一个苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果你能从地球上构成每一个人的原子中移除所有空间，整个世界的人都能装在一个苹果中。
But China's human population has been steadily growing. It is now the largest in the world.
但是中国人口一直在不断的增长，已经是世界上人口最多的了。
You know, for 200 years, the world was essentially governed by a fragment of the human population.
200年来，世界基础上是被人类的一局部人所管辖。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果你把地球上构成每个人的原子中的所有真空区都移除了，那么全世界的人口就可能装进一个苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
假如可以把地球上构成每个人的原子中所有的空余空间移去，那么一个苹果即可容纳全世界的人口。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果把地球上构成每个人的原子中的真空都除去了，那么全世界的人口就能装进一个苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果把构成地球人类的原子间所有空隙去除，那么仅仅一只苹果就可以容纳全世界的人口。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
如果把组成地球上人类身体的原子上的真空全部移除，全世界的人口就可以装进一只苹果里。
In the southwestern U. S., as in other arid parts of the world, wildlife must compete for water with a burgeoning human population.
与世界上其他干旱地带一样，美国西南部的野生动物必须和不断扩张的人类争夺水源。
In the southwestern U. S., as in other arid parts of the world, wildlife must compete for water with a burgeoning human population.
与世界上其他干旱地带一样，美国西南部的野生动物必须和不断扩张的人类争夺水源。
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