and all of us should be,

当然我们都应该关心环境
there is a huge difference in environmental impact.

这两种劳动方式对环境的影响也差距很大
The labor intensive agriculture

劳动密集型的农业
essentially leaves the environment unchanged,

基本上对环境没有改变
whereas, this kind of agriculture practiced in--

但是采用这种农业生产的...
it's now a world--center pivot irrigation is a worldwide technology.

现在全世界都在用中心旋转灌溉农业技术
And in many places it draws so much water so fast,

在许多地方它能快速喷射大量水流
and so much water is lost to evaporation,

那么多水就在此过程中蒸发了
that the underlying aquifer is rapidly being depleted.

地下蓄水层很快会被耗尽
Here are two center pivot photographs,

这里有两幅中心旋转灌溉农业的照片
and they too differ in capitalization.

它们资本化的程度也不一样
The one on the left is from Egypt,

左边这幅是埃及的