-
Clearly, if I did nothing more, but I took every car, doubled its fuel economy, its emissions would go to 50% of what they are now, no other changes being made.
显然，如果我什么也不做，但是我把没量车的汽油价加倍，汽车废气排放量就会是现在的一半了，别的不会有什么改变。
-
And so I think we need to take action as soon as possible to start reducing carbon dioxide emissions.
所以我觉得我们需要尽快开始行动，减少二氧化碳排放。
-
And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
当你想到,在地球上每年要消耗多少的水泥混凝土的时候,这将是温室气体排放的,一个主要来源。
-
In fact, if the other person is working hard, or is cutting back on their carbon emissions, you have every bit more incentive to not work hard or to keep high carbon emissions yourself.
实际上,如果其他人正在努力工作,或者正在尽量减少碳排量,你总会有想偷懒的动机,或者总是继续大量排碳
-
the United States announced a target to reduce its emissions by 17% below 2005 levels in 2020.
美国宣布了到2020年实现在2005年的水平基础上减排17%的目标。
-
and they also have a greater capacity to address their emissions than developing countries.
他们也比发展中国家更有能力解决排放能力。
-
especially countries such as China and India where there are so many emissions
特别像中国还有印度这样的国家，它们的排放量一直很高，
-
Again, leaving aside the science, about which I'm sure some of you know more than me here, the issue of carbon emissions is a Prisoners' Dilemma.
抛开科学层面来说,我相信在座的一些同学比我知道的还多,碳排放问题也是个囚徒困境
-
So that's an equivalent of a return to 1990 level of emissions.
这相当于是回到1990年的排放水平。
-
and so many emissions are going to keep coming from.
而且未来还会持续地增高。
-
Another example of this would be global warming and carbon emissions.
下一个囚徒困境的案例,是全球变暖和碳排量问题
-
You can talk about it as much as you like, but as long as you're going to go home and still drive your Hummer and have sixteen hot showers a day, we're still going to have high carbon emissions.
你可以在减排问题上一直高谈阔论,但当你回家时,你仍然会开着你的悍马,每天洗十六次热水澡,我们依然在大量排碳
-
I think developed countries both have larger historical emissions than developing countries,
我觉得发达国家历史上的排放比发展中国家多，
-
which, if they continue on their current emissions trajectories,
如果他们继续像现在这样排放的话，
-
Even if developed country emissions go to zero,
即使发达国家不排放，
应用推荐