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I began helping a family in the Karoo Desert in the 1970s turn the desert that you see on the right there back to grassland,
20世紀70年代我開始幫助一個在卡魯沙漠的家庭，你們看到在右邊沙漠變回了草地，
and thankfully, now their grandchildren are on the land with hope for the future.
值得慶幸的是，現在他們的子孫在這片土地上，對未來充滿希望。
And look at the amazing change in this one, where that gully has completely healed using nothing but livestock mimicking nature,
看看這個喜人的變化，那里的溝壑已完全愈合，只是用了牧群模仿大自然的過程，
and once more, we have the third generation of that family on that land with their flag still flying.
更可喜的是，第三代人生活在那里，他們的旗幟依舊飛揚。
The vast grasslands of Patagonia are turning to desert as you see here.
巴塔哥尼亞這片遼闊的草原正在變成沙漠。
The man in the middle is an Argentinian researcher,
在中間的那個人是一位阿根廷研究員，
and he has documented the steady decline of that land over the years as they kept reducing sheep numbers.
他已經記錄了這片土地的持續衰落，多年來羊群數目持續減少。
They put 25,000 sheep in one flock, really mimicking nature now with planned grazing, ok?
他們把2萬5千只羊作為一群，真正模仿大自然的過程并有規劃的放牧，
And they have documented a 50-percent increase in the production of the land in the first year.
他們的記錄顯示，第一年土地的產量有50%的增長。
We now have in the violent Horn of Africa pastoralists planning their grazing to mimic nature
現在在沖突不斷的非洲之角（非洲大陸最東的地區）牧民們通過規牧群游牧活動模仿大自然，
and openly saying it is the only hope they have of saving their families and saving their culture.
并公開的表示這是他們唯一的希望，來哺育他們的家人，挽救他們的文化。
Ninety-five percent of that land can only feed people from animals.
這塊地的95%的人依靠動物為生。
I remind you that I am talking about most of the world's land here that controls our fate,
我要提醒大家，世界上大部分的土地都是如此，它們掌握著人類的命運，
including the most violent region of the world, where only animals can feed people from about 95 percent of the land.
包括世界最暴力的地區，這些土地上有95%的人以動物作為唯一的食物來源。
What we are doing globally is causing climate change as much as, I believe, fossil fuels, and maybe more than fossil fuels.
這種全球范圍的人類行為導致了氣候變化，我相信這種原因的重要性至少和化石燃料一樣，可能比化石燃料還多。
But worse than that, it is causing hunger, poverty, violence, social breakdown and war,
更糟的是，它引起饑餓、貧困、暴力、社會崩潰和戰爭，
and as I am talking to you, millions of men, women and children are suffering and dying.
正如我剛才告訴你們的，數以百萬計的男人、女人和孩子正在遭受痛苦和死亡。
And if this continues, we are unlikely to be able to stop the climate changing, even after we have eliminated the use of fossil fuels.
如果這種情況持續下去，即使我們停止使用了化石燃料，我們可能也無法阻止氣候的改變了。
