　　现在我们正面临着一项严峻的挑战：全球变暖。地球气候持续恶-名校题库网

　　现在我们正面临着一项严峻的挑战：全球变暖。地球气候持续恶化，正在演变成一场事关紧要的战争，而从任何一个方面来看，美国都正在输掉这场战争。美国每年排放的温室气体占全球总量的近25%，并声称它不打算采取任何减排措施。困难还在于，即使绝大多数人认为气候变化是个全球性的紧急事件，如何解决这个问题很难达成共识。工业界提出自己的方案，可惜这些方案通常解决不了什么问题。环保主义者也献策，可惜他们的方案往往过于天真，以至于会严重阻碍美国社会和经济的发展。但是一个宏大而有效的方案到底是什么样的呢？如何才能让我们同时拥有安全的环境和良好的经济増长？

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本题解析：

We are now faced with a momentous challenge: global warming. The steady deterioration of the very climate of our very planet is becoming a war of the first order, and by any measure, the U.S. is losing. The U.S. produces nearly a quarter of the world’s greenhouse gases each year and has made it clear that it doesn’t intend to do anything about it. The rub is, even if the vast majority of people agree that climate change is a global emergency, there’s far less consensus on how to fix it. Industry offers its plans, which too often would fix little. Environmentalists offer theirs, which too often amount to naive wish lists that could cripple America’s social and economic development. But what would an ambitious, effective plan look like—one that would leave us both environmentally safe and economically sound?