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Originally posted by duncanidaho
Okay, can somebody tell me how the climate has changed so many times prior to man? Change is going to occur with or without us. The real question is what are we to do about it? We should be good stewards and leave the rest to the Creator.
Okay, you don't want to take that position, then let's say we have another major impact from above. Do you think the CO2 levels are going to make a difference? I think not. My point is nothing is static about our planet. Why do you think that is?
Originally posted by SIRR1
I think the suns spot cycle runs a 11 year course and right now we are in a high sun spot cycle.
Originally posted by Merkeva
The way I myself see it is as follows, we are pumping co2 into the atmosphere,this will have an effect.We can talk about volcanoes and other sources of co2, natural fluctuations in the climate past and past ice ages, but it does not change the fact we deliver millions of tonnes of this into the atmosphere per annum.This has to have an adverse effect, co2 is natural its part of earth but, over loading of it in the atmosphere will lead to problems.
The natural co2 cycle of earth is maintained by volcanos ,rocks , water plants and animals, its a feedback system much like a govener on a steam engine and has been in operation for billions of years without our interference. The co2 we produce is not part of this natural cycle and the sheer amount of co2 we pump out will have an effect on the cycle disrupting it or disabling the earths ability to regulate its atmosphereic content.
If CO2 doesn't *cause* global warming it's a lot of time and energy we are wasting tilting at windmills.
just really a bit confused about whether or not I should agree with Bush and Harper over Kyoto
So that's got me even more confused about shrinking ice caps.
Especially when some of the glaciers are getting bigger
Originally posted by Archerette
I believe there is no denying the "fact" that co2 levels are increasing but I am not convinced that is is entirely from human activity. I think TD has something in that fluctuations have occurred in the past - preindustrialization - so how can it be solely from human activity?
Originally posted by cp43
Is there global warming? Yes it is a fact not fictional. What is fictional is what people expect to happen. Nothing like the movie "Day After Tomorrow". Well maybe like that but the time frame wouldnt be weeks, months, years or even decades but centuries. SO, is global warming a real issue, certainly, and it is impacting the polar regions and ecosystems right now. There is glacial meltdown all over the planet, in the Andes, Greenland, the poles, ect. The main problem here is that nobody wants to take action and reduce emissions and reduce fossil fuel consumption.