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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: RetiredNow who wrote (7204)	4/14/2009 9:07:40 PM
From: Hawkmoon	Respond to of 86356

I'm simply not as convinced as you that we have an answer one way or another. I don't believe I've EVER stated that we have an answer "one way or another". What I'm stating is exactly what Teevee posted.. that climate change is far too complex to attribute to one element. But even if CO2 were a major contributing issue, it's not a pollutant but an element that the natural system should sequester via floral (primarily phytoplankton) uptake since it's a critical element for plant growth. Specifically with regard to CO2 the GW community has only focused upon human contributions to CO2 increases, while IGNORING the diminishing capacity of oceanic phytoplankton and other flora to sequester it due to lack of other critical nutrients/elements required for plant growth. Hawk

To: RetiredNow who wrote (7204)	4/14/2009 11:19:41 PM
From: Sam	2 Recommendations Read Replies (2) \| Respond to of 86356

I'm still trying to determine if the longer term sun trends are the dominant factor or if CO2 is the longer term dominant factor. MM, there is no "one" dominant factor. Climate is a result of a variety of factors, with the amount of energy the earth receives from the sun and the composition of the atmosphere being two of them. It also matters how the energy from the sun is absorbed or reflected (the albedo of the earth), which is in part a function of how much ice there is and land cover. How the continents are placed is extremely important. Ocean currents are extremely important. Volcanic activity is an important factor. To name just a few of the important factors. Whether one or another "dominates" at a particular time--I don't know if we can say that, because they all interact in different ways at different times. For example, orbital cycles are a factor that determines how much energy the earth receives. And that, along with the placement of the continents, can determine how much ice builds up, which will determine how energy is reflected as opposed to absorbed. One thing that I think everyone reading this thread can agree on is that climate is extremely complex.