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I thought earth's name was earth.
originally posted by: Phage
a reply to: johnwick
Never once in Terra's( that is earth's name BTW) history has co2 at much higher concentrations than now wrecked the ecosystem.
Really? Everything changed quite dramatically when plants evolved that could turn that CO2 into oxygen. It really did sort of wreck things for the life that was around before that. But it turned out to be good for us.
But once again, that really doesn't have anything to do with what rising CO2 levels and their associated effects will have, and are having on us. Here. Now. And for the next couple of hundred years.
No. But then, the Sun is emitting more radiation now than it was then, when CO2 levels were higher than they are now.
It isn't even on par with past co2 levels.
Are you worried we will excede them?
Really? I've been too subtle for you? I think that the burning of fossil fuels has increased atmospheric CO2 levels which has increased radiative forcing which has, and will continue to increase temperatures. I think that the detrimental effects of this will be widespread. I think that my daughter's world will be far less pleasant than mine has been. I think that we have the potential, if not the will, to mitigate those effects. Both by planning for them and by slowing the rate of change by reducing the production of CO2.
What without any bs is your position?
Evil has nothing to do with it. It's about science.
Are you just playing the lesser of greater evils here?
originally posted by: Phage
a reply to: Xtrozero
So...we can hope that Yosemite erupts and continue to dump CO2 into the atmosphere? What about oceanic acidification? Doesn't matter?
1. A large volcano eruption or two can reset it all.
2. Large amount of ice build up on the south pole is not a good sign.
In a very transitory sense yes. The cooling from Pinatubo lasted a few years.
Different subject all together, just saying that volcanoes are basically the main force that cools the earth. L
Quite true. On the average cosmic ray intensity has not changed much. Unless you are saying that the 11 year solar cycle is what's causing warming. Are you?
Not quite true Phage....
Interesting. I'm not sure what the claims about solar effects on radioactive decay have to do with climate (your link doesn't say anything about that) but you think the oceans suddenly decided to hang onto heat for some reason? Climatologist tend to agree (thus a "pause" in atmospheric warming) but the way it works isn't exactly clear. I mean, isolation hasn't changed much (except for a very slight decline) and cosmic ray activity has been showing a bit of a long term decline (with the exception of the solar minimum of 2008-2009). Not much overall since 1957 at least. But temperatures have been rising since then. That's a pretty interesting buffering effect. How does it work? What do you suppose has been preventing that heat from escaping to space for all that time?
I am guessing that the oceans have buffered a climate change for the last 10-15 years, its going to get drastically colder in coming years.
"Observations made by NASA instruments onboard an Air Force satellite have shown that the boundary between the Earth’s upper atmosphere and space has moved to extraordinarily low altitudes