And Al Gore has spoken to why we need to hit one of these targets, and in reality what that means is in the next 30 to 40 years, we have to make 10 trillion watts or more of new clean energy somehow.
然后戈尔已经讲解了我们为什么要达到这些目标， 以及在今后的30到40年里那到底意味着什么， 我们必须制造10亿瓦特或者更多的干净能源，不管怎么样都要。