Redfish
Diamond Member
anyone can make a chart that tells whatever story the person paying for the chart wants. We humans are polluting the planet and have been for hundreds of years. What you cannot grasp is that there is no proven solid link between pollution and climate. I will never understand why you on the left refuse to address the real problem of pollution and focus on a bogus AGW agenda that accomplishes nothing but I guess the real goal has nothin to do with climate or pollution, but is really about controlling the activities of every person on earth. What is it about freedom that bothers you libs so much?I am aware that the planet's climate has been dynamic since we first developed an atmosphere. That isn't the question. You have no valid basis for your assumption that human effects are too small to have had any effect because we have. You appear to believe that the greenhouse effect is real (at least you haven't mentioned it). You're probably aware that without any greenhouse effect, the average temperature of the Earth would be -23C but that the greenhouse effect has warmed us to an average temperature of +15C. That's 38C of warming produced by water vapor, CO2, methane, nitrous oxide and fluorinated gases, in that order. Prior to the Industrial Revolution, when humans began burning coal and oil in earnest, the level of CO2 in the atmosphere was 280 ppm. It is now about 415 ppm, an increase of more than 48% that both isotopic analysis and simple bookkeeping have shown to be entirely due to human emissions. So, because of us burning coal and oil and putting hundreds of billions of tons of CO2 into our atmosphere that was formerly trapped in the Earth, that small portion of warming from CO2 has increased by 48%. Additionally, water provides a positive feedback. As the Earth's temperature increases, the amount of water vapor in the air increases, further increasing greenhouse warming. So, yes, humans can affect the climate and we have. The Sun, the Earth's tilt on its axis, the planet's orbital mechanics are all known and while they affect our climate, they have not been the primary causes of the warming we've observed over the last 150 years. The primary cause of that was greenhouse warming acting on our emissions. That is very well accepted science. It is accepted by more than 99% of all degreed scientists who study the climate. You are suggesting that you know better than those tens of thousands of PhDs. I have to ask YOU to wake up.
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Both from: Climate Change Indicators: Climate Forcing | US EPA