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They start out saying how awful it is and then conclude it is an absolute necessary
Originally posted by Phage
reply to post by burntheships
Remember also that they are talking about costs not profits. It doesn't really sound like there is a huge amount of money to be made in geoengineering.
Originally posted by ANNED
You have to wonder if they would not just add a little sulphur dioxide to the fuel of commercial passenger aircraft.
They succeed in lowering the temperature a degree or so... and eventually the normal cooling will kick in.. which is not good for us and will happen soon or later anyways... they claim success.
"for a while" ?
Originally posted by Phage
That is one of the major arguments against use of an aerosol program. Once the stuff is up there it's up there for a while and nothing can be done about it.
extreme measures may be deemed worth the risks.
It’s important to stress that geoengineering options can never reverse all of the consequences of greenhouse gas emissions. For example, it doesn’t reverse ocean acidification. And it obviously has associated risk. So geoengineering is not an alternative to greenhouse gas emissions reductions.” said Ban-Weiss.
if warming does begin to cause catastrophic changes
Originally posted by burntheships
"for a while" ?
Originally posted by Phage
That is one of the major arguments against use of an aerosol program. Once the stuff is up there it's up there for a while and nothing can be done about it.
I would think that once its up there period.
Its on record already that no amount of su;phate aerosols or any other particulate matter
can reverse green house gas emmissions.
Originally posted by TheRedneck
reply to post by Phage
That's a pretty big 'if' you've got going there Phage.
Its on record already that no amount of su;phate aerosols or any other particulate matter
can reverse green house gas emmissions.
Originally posted by Phage
Yes, eventually a cooling cycle would occur. After 50 years? 100 years? 1,000? No way of knowing. But, as said, if warming does begin to cause catastrophic changes, extreme measures may be deemed worth the risks.
Because geoengineering acts to mask climate warming, there is a direct CO2-driven increase in carbon uptake without an offsetting temperature-driven suppression of carbon sinks. However, this strengthening of carbon sinks, combined with the potential for rapid climate adjustment to changes in solar forcing, leads to serious consequences should geoengineering fail or be stopped abruptly. Such a scenario could lead to very rapid climate change, with warming rates up to 20 times greater than present-day rates. This warming rebound would be larger and more sustained should climate sensitivity prove to be higher than expected. Thus, employing geoengineering schemes with continued carbon emissions could lead to severe risks for the global climate system.www.pnas.org...
Originally posted by burntheships
reply to post by Aloysius the Gaul
Look up....Its in the same post.
The link to Ban-Weiss's quote is here:
wattsupwiththat.com...
“It’s important to stress that geoengineering options can never reverse all of the consequences of greenhouse gas emissions. For example, it doesn’t reverse ocean acidification. And it obviously has associated risk. So geoengineering is not an alternative to greenhouse gas emissions reductions.” said Ban-Weiss.
We know that sulfate can cool the Earth because we have observed global temperature decreases following volcanic eruptions,” explained lead author George Ban-Weiss. “Past computer model simulations have shown that injecting sulfate uniformly into the stratosphere could reduce the surface temperature of the Earth, but the equator would be over cooled and the poles under cooled. You would also make the Earth drier, and decrease surface water runoff.”
Originally posted by TheRedneck
All I have to say is:
Some years back, Auburn University decided to respond to a problem with an increase in the aphid population in this area. Their idea was to use a natural solution: ladybugs. Ladybugs are harmless to humans, not a nuisance, and are voracious eaters of aphids. To help nature along, the good folks at Auburn decided to manipulate the ladybugs they were going to use by selective breeding to produce a more hardy ladybug.
They released several million of these super-ladybugs. The aphid problem was cured almost overnight.
But then the ladybugs started breeding... and making more ladybugs... and more ladybugs. As the natural food source was exhausted, the ladybugs started dying. Homes were condemned and torn down because of the stench of millions of rotting ladybug corpses inside the walls. I saw patios with two inches of dead ladybugs covering them. Cities hired special crews just to rid public buildings of these decaying insects.
Thank you Auburn.
I always remember this whenever I hear of someone wanting to try something new on a global scale. One of these days, if left to educated idiots like this, it will be all lifeforms cluttering up the planet with their decaying stench instead of just ladybugs.
TheRedneck