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- The major influences on climate change are cause by changes in the Earth's orbit and its wobble. These create the 100,000 year glacial cycles. We are in an interglacial period now, but in another 20,000 years there will be a glacier two miles thick here in New England. Shoveling the roof will be really tough.
The temperature difference between now and the glacial period is only 5 degrees celsius. That's why a 1 degree change in global temperature is significant. Disappearing glaciers mean that water sources that support large populations will eventually dry up.
CO2 causes most global warming and virtually all of the CO2 increase is from burning fossil fuels. Got to www.realclimate.org for some excellent science. - Reply to this comment
- This is amazing: Ice melting in one location when most Antarctic weather stations show the temperature going down. Just Google Antarctic station temperature and see for yourself.
Next we will be told that it is the combustion of fossil fuels that killed off the dinosaurs. - Reply to this comment
- Volcanoes have been erupting for far longer than the 850,000 years referenced in the article. Nature always managed to balance out the effects of these. In the last 150 years or so, humans have started having a more dramatic impact that ever on our environment. While human activity is not the sole cause of greenhouse gas emissions, we have most certainly thrown the environment out of the balance that was maintained for so many millions of years. Ever wonder WHY many areas of the world have been experiencing drought conditions? Man has clear-cut forests, paved prairies, and spewed thousands of tons of chemicals into the atmosphere. What do you think that does to the natural balance? The answer is sitting in Antarctica melting and in the next few decades, New York may well be swimming in it!
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- Don't you think there are natural factors that could be adding the greenhouse gasses into the atmosphere instead of us humans? There are hundreds of active volcanos erupting the so-called greenhouse gasses. Many areas of the world have seen drought conditions that have reduced the green factor for taking carbon-dioxide out of the atmosphere. I am a firm believer that temperatures are on the rise, and at an alarming rate, but why put the blame completely on human activity?
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