QUOTE(multimediatechy @ Feb 18 2005, 17:56)
I saw something recently on the news regarding this issue...it showed people in alaska talking about the different climate now with less snow and houses sinking because the ground had become more unstable as a result. Life there would be one of the more obvious changes in recent times...its only a matter of time before the rest of the world catches up. We need to act now as time is creeping away - people are crazy saying its natural occurrence - of course its NOT!! We shove planes, space rockets into the sky, have cars, trucks etc on the roads, have factories etc. We take things for granted.
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The problem with your viewpoint is that you look at the world with a very narrow viewpoint. You look at the planet as it's been during your lifetime, and you're failing to take into account the past 4.5 billion years. The planet (and its climate) is a complex and dynamic beast. It's changed before, it's changing now, and it will change in the future. Did you know this planet has had multiple atmospheres? We're on the fourth I believe. For the last 450,000 years, the planet has gone through a 100,000 climate cycle. 90,000 years of gradual warming, followed by 10,000 years of steep cooling. The current warming trend started about 89-90 thousand years ago. The next ice age is right around the corner, so to speak.
My point is that the planet changes, but people look around and expect everything to stay the same. Because we are aware of the world we live in, should we honestly expect the planet to now become static, no more heat waves, no more ice ages, no more extinction, no more speciation?
Now don't get me wrong and assume that I'm of the "global warming is a farce" crowd. Anyone with that opinion is a jackass, to be frank. Human activity is definitely contributing to the warming trend. That's obvious. It's also obvious that deforestation and land use are also contributing to changes in surface temperature. Less forests means less CO2 getting converted to O2, meaning more CO2 in the atmosphere. Urban areas retain much more heat than rural areas, also contributing to higher temperatures. What's
not obvious is
how much human activity is affecting the warming trend. Are we causing a lot of warming, or just a little? No one can say. The best scientists in the world can't come to a conclusion.
Should we find ways to reduce pollution and emissons? Of course. Should we help species that are becoming extinct as a direct result of human activities? Obviously. What I have a problem with is when people try to 'preserve' something we had no hand in altering in the first place. You should read about our 'preservation' efforts in Yellowstone park when it was first set up. In one word, abysmal.
Even if humans halted all pollution and emissions and somehow managed to clear the atmosphere of all the stuff we've put into it over the last 150 years, the planet would still warm up, and the planet will still go into an ice age, as it has for the last half million years. That's a fact.