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Merry Xmas 同學們~~今天嗑牛排前先聽這篇

今日主題:Environment Has Beef with Beef
吃牛肉會破壞環境

洪欣老師推薦:托福聽力最好的課外教材:60-Second Science
康康精選托福會考的主題,堅持每天精聽一定會進步的哦!!

建議方法:
1. 先聽兩三遍 (不看文稿)
2. 再一句一句聽寫 (每句都要聽寫數遍,直到寫出85%以上的字)
3. 最後check文稿,看哪聽不出來,單字沒背過,還是發音不熟。
4. 堅持天天聽,就能每天進步哦。

MP3音檔 (按右鍵可下載聽):喜歡的同學,幫忙推或按讚哦~~
http://online1.tingclass.net/voaspe/…/20140808sa_science.mp3

只有音檔怎夠,聽不懂地方,不用怕,康康幫你準備好中英文稿了:

中英文稿:
Everybody eats. And consumers increasingly try to consider the environmental effects of their food choices. For example, if you want to eat meat, how do your choices compare? That's what a group of researchers set out to discover.
每個人都要吃飯。而越來越多的消費者在選擇食物時,試著去考慮其中的環境影響。例如,如果你想要吃肉,你怎樣去比較去選擇呢?這就是一組研究人員打算著手研究的問題。

And they found that raising one animal is dramatically more environmentally draining than all the others: cows. The research is in the Proceedings of the National Academy of Sciences. [Gidon Eshel et al.,Land, irrigation water, greenhouse gas, and reactive nitrogen burdens of meat, eggs, and dairy production in the United States]
而且他們發現飼養牛這種牲畜,要比飼養其他動物,產生更多的環保排水問題。這項研究被發表在《美國國家科學院院刊》上。
The scientists noted the challenge in accessing data and creating metrics that can be compared across livestock and to potato, wheat and rice production.
科學家指出了在訪問數據和創建指標上面臨的挑戰,該指標可以用於將飼養牲畜與種植土豆、小麥、和大米進行比較分析。

They settled on national data from the U.S. Departments of Agriculture, the Interior and Energy. The team calculated the production costs by assessing land area, water needs and fertilizer. They also analyzed greenhouse gas emissions.
美國農業部,內政部和能源部授予了他們查閱國家數據的權利。該研究團隊,通過評估土地面積、對水的需求量和肥料用量,來計算生產成本。他們還分析了溫室氣體的排放。

Producing pork, poultry, eggs and dairy were between two and six times less efficient than growing potatoes, wheat and rice. And in the current agricultural system, beef uses 28 times more land, 11 times more water and 6 times more fertilizer than the average of the other categories of livestock. Cattle ranching also creates five times more greenhouse gas emissions. You can find more 60-Second Science on chinavoa.com.
生產豬肉、家禽、蛋類和奶製品要比種植土豆、小麥和大米效率低2到6倍。而且就在當前的農業系統中,相比一般其他類別牲畜,牛肉生產的土地使用量是它們的28倍多,水用量是它們的11倍多,化肥量是它們的6倍多。養牛場還排放了是它們五倍多的溫室氣體。

The researchers hope this data will help consumers make informed choices and policy makers create systems that can reduce the environmental costs of what we eat.—Cynthia Graber
研究人員希望這些數據可以幫助消費者做出明智的選擇,同時也希望政策制定者來制定政策來減少我們所吃食物所產生的環境代價。—辛西亞‧格雷伯

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