They look at everything; flora and fauna changes, soil, acidity in the ocean, etc. that is what I mean...
Just so I know we are talking about the same thing. You see a clear downward trend in this figure? This is the section that we are talking about from the figure that Bec posted. bubhub.jpg
God, I can't believe I'm getting dragged into this thread. Must pull myself away and actually do some work.
I didn't say soil had changes (although I'm sure there has been), I said its one of the things they use to study what is happening. It's the second largest pool of carbon after the ocean.
We are not just trying to decrease temps we are also trying to decrease carbon. But oh yeah, flora needs carbon so it must be ok that we're emitting vast amounts!!!
Do I really need to answer the question about the impact on flora and fauna? A simple google search answers that very quickly!
There was global cooling for 3 decades between 1940 and 1970.
Enough that scientists were concerned.
These articles are quite entertaining when you read them now.
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