but there are clear upsides

但优点是非常明显的
and you see evidence of it right here.

大家可以看到这都是证据
The overall impact of the green revolution has been interesting.

绿色革命所带来的所有影响都值得关注
Large increases in the world food production.

世界粮食产量的提高
The most recent estimates are that

最近的估计是
famine around the world has been decreased by 20%.

全球饥荒减少了20%
and that there has been a

而人均摄入热量
25% increase in per capita calorie intake.

则提高了25%
Now in the United States

这在美国
contributing to that number is not such a good thing,

这个数字可能不是什么好事
but around the world where people are

但考虑到在世界那些人们还在
undernourished and they need more calories to survive,

营养不良亟需更多热量以生存