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Did you find that ? the winter is colder and colder year by year, and the summer is more and more hot. i have remmenber that they are not like this in my childhood, the environment is more and more bad now, i think there must be a punish by nature one day. we must protect the environment now, and do not do something bad for it, then we can live a good life. ____________________ Life will be more perfect by driving simulator and Tablet PC
Indeed. In fact since the 1750's the Earth has warmed by as much as 0.4C. Of course how much of that is due the the quadrupling of the human population and the advent of the industrial revolution, and how much is due to more accurate measurements is uncertain.
We do know, however, that the alterations in orbit, solar output, volcanic effects and seismic activity do have a massive effect on the atmosphere, and certainly more than us mere humans could achieve.
One large volcanic release causes more change on a global level than hundreds of years of human activity, so one must be wary of any claims not based on evidence, but on belief.
--------------------------------- I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave
It's just that there is so much evidence, and it's often contradictionary - so to make any sence of it, you have to put in a real effort - and even then you really can't be cretain about the conclusions - belief, on the other hand, is just so much easier, so in the end decisions are mostly based on belief.
And what do we know about people who are dead wrong? They're usually better at grabbing the attention, etc. So perhaps the toss of a coin would, in general, provide a better decision model. (But then some people would probably cheat ...)
Weather goes in cycles. I remember winters with heavy snowfall and winters with no snowfall, summers win no rain and summers with so much rain there were continual landslides where I now live. My parents and grandparents remember years with severe drought and years with excessive rain.
Where I currently live, there is a definite yearly pattern where we have a cold snap in October and a nice warm period in early November. Likewise, in late spring, it will warm and then we'll get hit with a very cold storm in May or early June. For the longest time, some of the local weathermen would act like this was a big surprise. Fortunately, they now said "as expected" or "like every year since recorded history."
On top of all nature doesn't really care. It just is. There is very strong evidence, in fact, that the 20th century was an anomaly--that it was IN GENERAL unusually moderate in many climes. Just be glad we aren't living during the Younger Dryas.
Oh, and don't forget the "Blizzard of 1977." I lived east of Buffalo and have pictures of mountainous snow piles on my street. I was also remembering when I moved to my current state 21 years ago; it was during the coldest two weeks in recorded history in the state--two weeks below zero during the day, 20 below zero at night. It was a last minute move and I'd forgotten that I had warm temperature wiper fluid in my car--it froze solid.