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Now carbon dioxide is very important because it’s greenhouse gas, carbon dioxide is also physiological important , ------ it controls your blood chemistry , in USA we’re going to change this by a facture of two and we don’t expect any consequences, I don’t need to understand consequence in detail to be very concern that will be some.
Unfortunately modern life style demands energy, and with all question, US is the biggest economy, the biggest energy consumer and the biggest greenhouse gas made in the world, but that’s today. By 2050, most economists predict china economy will be larger than that US, more than a billion people are likely to want the same size plans in automobiles you have.
In Beijing, Lu Ou and Ling families are buying the first car their families have ever owned, we’re looking for a car more stylish, now I seldom drive, most of time she drives , so we’re looking for.
Car ownership here has grown 500 percent since 1990.
Doesn’t need to be really big, but it has to be cute.
But 2030,China will import as much oil as US, but oil is only part of problems, coal-fire factories and power plants are the world most often site of polluters , like US, China has huge coal reserves and if their economy grows as projected at 10 percent a year, their contribution to global warming could be enormous, but why should developing world cut back if we want, why should we cut back if they want.
I don’t think so any country have the right to ask others to do something, especially you know, I also mention the developed country, most of them, emits more right now, and still emit more.
Another affecting the climate change is global population increase , the birth in Europe, in Japan may actually decline, the rest of world’s babies could push the population to 9.3 billion people by mid century , three billion more than today and growing middle class would likely to contribute the solid middle class expectations.
So far we have put out about 300 billion tons car at current rate, it will take us 50 years to do that again, if we keep growing like we did over last century by the end of century, we’ll talk about thousands,2000,3000 billion tons car , so this scale have changed in the past , so far what we have done is we track the -- , now we’re going to overrun this --.
Too much people and too much carbon pollution are already threatening human life and first symptom are both widespread and deadly.

还是不错的

好久才有每周听力哦