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Nonetheless, their output dominates the planet.
盡管如此他們的糧食產出還是支配著地球。
In the United States, only three million farmers are left.
美國只剩下三百萬農民。
They produce enough grain to feed two billion people.
他們出產的谷物可以養活二十億人口。
But most of that grain is not used to feed people.
但大部分谷物并非用作食糧。
Here, and in all other industrialized nations,it's transformed into livestock feed or biofuels.
就像其他工業國,谷物用來喂牲口或作生化燃料。
The pocket of sunshine's energy...chased away the specter of drought that stalked farmland.
這束陽光的能量趕走了令土地干旱的幽靈。
No spring escapes the demands of agriculture,which accounts for 70% of humanity's water consumption.
所有泉水都用于農業,它占人類水消耗量的70%。
In nature, everything is linked.
大自然的一切都互相連系。
The expansion of cultivated land and single-crop farming...
耕地的拓張和單一品種的種植。
encouraged the development of parasites.
增加了害蟲的肆虐。
Pesticides, another gift of the petrochemical revolution,exterminated them.
石油化工革命帶來的殺蟲劑把它們殺光。
Bad harvests and famine became a distant memory.
農作欠收和饑荒成為邀遠回憶。
The biggest headache now...was what to do with the surpluses engendered by modern agriculture.
眼前最頭痛是如何處理現代農業帶來的殘留。
But toxic pesticides seeped into the air,soil, plants, animals, rivers and oceans.
有毒的殺蟲劑滲進空氣,泥土、動植物、河流和海洋。
They penetrated the heart of cells...similar to the mother cell that is shared by all forms of life.
它們入侵一切生命賴以生存的細胞核心。
Are they harmful to the humans that they released from hunger?
它們對免于饑餓的人類有害嗎？
These farmers, in their yellow protective suits,probably have a good idea.
這些穿著黃色保護衣物的農夫可能有更好的主意。
The new agriculture abolished the dependence on soils and seasons.
新興農業免除了對土壤和季節的依賴。
Fertilizers produced unprecedented results...
肥料令小片土地。
on plots of land thus far ignored.
出產前所未見的豐富收成。
Crops adapted to soils and climates gave way to the most productive varieties and the easiest to transport.
適應了土地和氣候的谷物被產量高和易于運輸的品種所取代。
And so, in the last century,three-quarters of the varieties developed by farmers over thousands of years...
于是在上一世紀農民在過去數千年培育的。
Have been wiped out.
四分之三的品種絕種。
As far as the eye can see, fertilizer below, plastic on top.
極目所見,下施肥料,上覆塑料。
