Re: Kyoto
There are several innaccuracies in that, Extrafire. We know that CO2 causes global warming. That's basic science...without the greenhose effect the earth would be habitable.
Without the greenhouse effect the earth would indeed be uninhabitable. Yes, that's basic science, well known. What is also well known is that CO2 is a small part of that, and that water vapour is the major greenhouse gas.
We know that we have been increasing the CO2 in the atmosphere. That is measurable. The atmosphere is a delicate balance and we are putting CO2 into it. We are changing the balance
We have been increasing CO2 emissions, but the percentage of CO2 in the atmosphere seems to have been relatively unchanged for the last while.
CO2 has not remained constant since 1975. We have increased our emissions every year. Do you think that just disappears?
Much of the CO2 sequesters in the oceans, but what happens to the rest of the excess is as yet unknown.
The prehistoric changes happened gradually, allowing time for plants and animals to adapt. In the instances where it happened quickly the fossil records show mass extinctions. The changes that we are seeing are happening too fast for plants and animals to adapt. We are already seeing a mass extinction, some driven by global warming and some driven by habitat destruction (which furthers global warming).
Mass extinctions have come from external events such as asteroid collisions. Although extinctions are a natural occurance, and human activity contributes considerably to the rate of extinctions, there are no mass extinctions underway. There is movement of species into new territories (dragonflies and robins into the far north) and some distress on organisms, but no mass extinctions.
The sun does have an effect. Responsible scientists take that effect into account. It does not explain the extent of the warming that we are seeing. It does not explain the atmospheric changes. It does not explain the amount of energy being put into the atmosphere.
Yes it does, more than any other hypothesis.
Again though, just follow the money. When you see somebody speaking out against global warming, have a look into their past. As soon as you come across a tie to an oil company, especially Exxon, you have your ultimate answer...they are being paid to tell lies.
It's always a good idea to look for the backers, but no matter what the evidence alone must be what determines the truth. It's a common practice to say something like "You can't believe him, he's a (enter here the despised group of your choice, Jew, Christian, athiest, communist, socialist, capitalist etc. They've all been used.) To a thinking person, this is a dead giveaway that the person making such accusations has no evidence to back up his position. Make your evaluations based on the evidence, not the messanger.
Not to mention that a large part of the rise in CO2 is partially caused by deforestation.
Hmmmm, let me think... We cut down trees, make the majority of the carbon content into lumber and build a house that stands for 100 years, thus creating a carbon sink. Then we plant new trees that sequester more carbon as they grow. Nope, that won't add to atmospheric CO2 at all. Humans deforesting in order to build farms and cities? Yup, that might do it, except there's more forested land in the world now than there was 100 years ago.
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Are you suggesting that there was no Medieval Climate Optimum or Little Ice Age?
I'm suggesting that the real science takes those into account and that the global warming deniers routinely misrepresent the science in order to keep the pay cheques flowing in from Exxon.
Then you would agree with me that Mann's hockey stick is not real science since it completely eliminates those historic events?