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Re: Climate change is here and action needed now, new White House report says
The IPCC is talking about Additional forced change, while it at very well be NO increase above this level is necessary for Temperature increase or sea level to continue to rise.
Even if it didn't increase Any further, Temps might well go up the amount you postulate (or higher) when the full effects take hold.
ie, the oceans stop acting as a sink for CO2, or reverse as they warm, and contribute to it instead of staying at 400 PPM and slowly warming.
Why limit yourself to CO2 increases being necessary for temperature to increase?There is a fourth possibility.
Everything I am saying is within the enormous range of the IPCC's prediction,
http://www.climatechange2013.org/images/report/WG1AR5_SPM_FINAL.pdf
There is nothing alarming about the low end of the IPCC predictions.
My calculations, show, we will likely have about 1.6 °C total increase,
if we could ever actually burn enough organic hydrocarbons to get to 560 ppm.
I don't think that will happen, because the cost curves will cross long before then.
When man made fuels become cheaper than organic sources, people will buy what is cheaper.
The IPCC is talking about Additional forced change, while it at very well be NO increase above this level is necessary for Temperature increase or sea level to continue to rise.
CO2 has been increasing at a Dramatic rate.http://www.climatecentral.org/news/april-becomes-first-month-with-co2-levels-above-400-ppm-17367 said:"....The first measurement in excess of 400 ppm was made on May 9, 2013. This year, the level rose above that mark a full two months earlier, and has remained above 400 ppm steadily since the beginning of April. While the milestone is largely a symbolic one, it does illustrate how far emissions have risen from their preindustrial levels of 280 ppm.
The last time atmospheric carbon dioxide levels were This high consistently
was anywhere from 800,000 to 15 million years ago, various studies have estimated, and
the world was a very different places then, with Much Warmer temperatures and Extremely Higher Seas. [........]
Even if it didn't increase Any further, Temps might well go up the amount you postulate (or higher) when the full effects take hold.
ie, the oceans stop acting as a sink for CO2, or reverse as they warm, and contribute to it instead of staying at 400 PPM and slowly warming.
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