Global Warmin91

Bill McGuire

1 Global warming is about much more than honer summers，winter floods，and farting COWS．There is absolutely no question that the earth is warming up fast，and few climate scientists would argue with this．the dispute lies in whether or not the warming we are now experiencing simply reflects a natural turnabout in the recent global temperature trend or results from the polluting impact of human activities since the Industrial Revolution really began to take hold．Forecasting climate change is extremely difficult， which explains why models for future temperature rise and sea—level change are constantly undergoing revision，but the evidence is now irrefutable：Human activities are driving the current period of planetary warming．Notwithstanding a few maverick scientists，oil company supporters，and the president of the world's greatest polluter, the overwhelming consensus is that without a reduction in greenhouse gas emissions things are going to get very bad indeed．Amazingly,this prospect is still played down and intentionally hidden by some，most recently by Danish statistician，Sjorn

Lomborg．In his widely savaged book，The Skeptical Environmentalist，Lomborg denigrates global warming and its future impact，while at the same time，through highly selective references to scientific research，coming to the conclusion that all is right with the world．

2 During the past 70 years，the earth has been hotter than at any other tine in the last millennium，and the warming has accelerated dramatically in just the past few decades． No doubt everyone has at least one older relative who is constantly harking back to a time when summers were hotter and the skies bluer．Meteorological records show, however,that this is simply a case of selective memory,and in fact 1 9 of the honest years on record have occurred since 1980，with the late 1990s seeing the warmest years of all across the planet as a whole．The earth is now warmer than it has been for over 90 percent of its 4．6 billion year history,and by the end of the 21st century our planet may see higher temperatures than at any time for the last 1 50，000 years．

3 The rising temperature trend is not simply a climatic hiccup，nor can it be explained entirely,by variations in the output of the sun，although this clearly does have a significant effect on the climate．Rather,it is a consequence of two centuries of pollution，which is now enclosing the earth in an insulating blanket of carbon dioxide， methane，nitrous oxide，and other greenhouse gases．Since the late 1 8th century our race has been engaged in a gigantic planetary trial，the final outcome of which we can still only guess at．Unfortunately for US the experiment has now entered a runaway phase，which，due to its inherent inertia，we cannot immediately stop but only slow down。Even if we were to stabilize greenhouse gas emissions today,both temperatures and sea levels would continue to rise for many hundreds of years．The big question of our time is—do we have the resolve to do even this or will we run from the problem and let the devil take the hindmost?

1全球变暖不仅仅是关于荣誉的夏季，冬季洪水，放屁牛。毫无疑问，地球升温速度快，一些气候科学家会认为，争议在于是否我们现在经历的只是反映了自然的转变，在最近的全球温度趋势或结果的污染的人类活动的影响，自工业革命开始真正把握变暖。预测气候变化是非常困难的，这也解释了为什么未来温度升高和海平面变化模型不断进行修正，但现在证据确凿的：人类活动驱动行星变暖期。尽管有一些特立独行的科学家，石油公司的支持者，和世界最大的污染国总统，压倒性的共识是，在不减少温室气体排放的东西会变得非常糟糕。令人惊讶的是，这个公关我国仍然是下降，故意隐藏的一些比赛，最近由丹麦统计学家，sjorn

隆伯格。他广泛抨击的书，持怀疑态度的环保，隆伯格诋毁全球变暖及其未来的影响，同时，通过对科学研究具有高度选择性的参考，得出的结论是。。。

2在过去的70年中，地球已经比过去千年的任何其他时候热，而地球气候在过去几十年里以井喷式的趋势变暖。毫无疑问，每个人都会有一个老头子或者老太婆想起他们年轻的时候，夏天是炎热的，天空更蓝。我们从气象记录其中一部分选出来看看，上面显示的事实是，从1 9世纪的记录以来，从1980年起，到上世纪90年代末经过的全世界最温暖的几年作为一个时间点来比较，现在的地球比过去的4600000000年中90%的时间温度要高，在第二十一世纪末地球上会有比在过去十五万年内所没有的温度。

3温度上升的趋势不是简单的气候问题，当然它现在也不能被完全解释清楚，虽然在太阳表面能量的变化不定，但是这很明显对气候有影响。相反，两个世纪的污染问题也造成了如今这样的后果，现在像地毯一样将地球笼罩在的二氧化碳，甲烷，氧化亚氮，和其他温室气体的之中。自18世纪一来我们一直在经受着这个巨大星球给我的审判以及考验，其最终结果我们也只能默默猜测了。不幸的是，我们的世界排放量现在已经进入失控阶段，我们不能立刻中止排放，但是我们可以让他的速度先慢下来。但就算我们能稳定下温室气体的排放，气温和海平面将持续几百年增加，上升。我们当前最大的问题是，我们要做的是解决这个问题还是我们选择逃避问题，让落后者遭殃？

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