Those are, of coarse, not linear timescale charts so it is hard to compare the rate of temp rise using them directly. I think the human race needs to err on the side of caution since the stakes are so high.It's Wiki science mind you.
Shall we talk about H1N1 now?But all the sensationalism on every side of the global warming question just makes me absolutely sick.
The atmospheric content of CO2 is rising, and it's due to the activities of man. As a result of the increased greenhouse gas, global temperature is rising.
Rising CO2 is MOSTLY due to the burning of fossel fuels. And it is extermely likely that it is causing the rise in global temperatures.
The sources of C02 and the carbon cycle on earth isn't well understood yet.
Just did some quick googling for data.
Not sure where they get their data and I'm not gonna do the research on it, but it says the baseline PPM is 288m. Natural additions are 68m, and manmade additions are 11m. So I'm not entirly sure where you're deriving your conclusions from Brownout, but it's not from real world data.
Before humans began emitting significant amounts of carbon dioxide into the atmosphere, the atmospheric uptake and loss of carbon dioxide was approximately in balance. "Carbon dioxide in the atmosphere remained pretty stable during the pre-industrial period," said Gregg Marland of Oak Ridge National Laboratory in Oak Ridge, Tenn. "Carbon dioxide generated by human activity amounts to only about four percent of yearly atmospheric uptake or loss of carbon dioxide, but the result is that the concentration of carbon dioxide in the atmosphere has been growing, on average, by four-tenths of one percent each year for the last 40 years. Though this may not seem like much of an influence, humans have essentially tipped the balance of the global cycling of carbon. Our emissions add significant weight to one side of the balance between carbon being added to the atmosphere and carbon being removed from the atmosphere.
"Plant life and geochemical processes on land and in the ocean 'inhale' large amounts of carbon dioxide through photosynthesis and then 'exhale' most of it back into the atmosphere," Marland continued. "Humans, however, have altered the carbon cycle over the last couple of centuries, through the burning of fossil fuels that enable us to live more productively. Now that humans are acknowledging the environmental effects of our dependence on fossil fuels and other carbon dioxide-emitting activities, our goal is to analyze the sources and sinks of this carbon dioxide and to find better ways to manage it."
Current estimates of human-produced carbon dioxide emissions into the atmosphere are based on inventories and estimates of where fossil fuels are burned and where other carbon dioxide-producing human activities are occurring. However, the availability and precision of this information is not uniform around the world, not even from within developed countries like the United States.
Absolutely not, but EVERY article I have read concerning global warming has failed utterly to mention the fact that there is variability, the quantities mentioned are statistically derived from narrow data sources and make broad reaching statements, virtually no two of which agree.And? Do you reject all science unless they can measure every quantity without tolerences?
That huge body of work contains all of the sketchy left and right wingers as well as true scientists that go for raw data an unbiased calculations.There is a huge body of work in this field, including cores taken from ice sheets, fossels, radio active methods, correlation with historical data, etc.
No one here is a denier, to deny global warming is occurring is idiotic. No one is blowing off scientific work, but the scientific credibility goes out the window when fearmongers warn we need to immediately stop burning all fossil fuels reduce the worlds human population by a few billion and go back to the stone age.We blow off scientific work on the Earth's health at our owp peril! None of the deniers has credible evidence to the contrary. They only have attempts to deny and discrdit.
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