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Manmade global cooling

post #1 of 13
Thread Starter 
As I'm not an Environmental scientist or researcher, I may be totally off base on this...but this sounds like absolute folly to me.

Obama looking at cooling air to fight warming


If we were to eject reflective particles into the stratosphere or ionosphere to block the sun's rays and decrease heat, would that not also block visible light, and therefore slow down photosynthesis in plants and trees, and therefore decrease their ability to absorb carbon dioxide, which would increase global warming?

And if they use the giant carbon dioxide collectors as well, where do you store the co2 produced by an entire planet's animal life and industry, and what happens if an accident releases large collections of it at once?

People yanking with nature makes my head hurt.
post #2 of 13
Hmmm...Government trying to "fix" Mother Nature. What could possibly go wrong!
post #3 of 13
I wouldn't mind it if they did it over southern Nevada during June, July and August.

I just hope they think about all possible ramifications and repurcussions of this harebrained scheme before they do it. Knowing Barack, since he is, "The One" I sure it will be okay.
post #4 of 13
I think that the current volcanic eruptions around the globe ought to be doing the job fairly well all on their own.
post #5 of 13
Did anyone else think about the shield in Highlander II?


They shouldn't fool with things. Past mass extinctions were caused by too much debris in the atmosphere causing cool down...
post #6 of 13
The weather in Minnesota is strange and unstable enough just the way it is. We sure don't need the U.S. government making things worse by trying to adjust the climate.
We'll all probably freeze to death or something.
post #7 of 13
Quote:
Originally Posted by AudioCat View Post
Hmmm...Government trying to "fix" Mother Nature. What could possibly go wrong!
If the government does this, it will be messed up for sure. Let it be, the earth will take care of itself. Our stupid goverment needs to stop trying to take care of us.
post #8 of 13
It's just an emergency option. I think a Nobel prize winning scientist would know what he's talking about. There has to be some plans in place since people are completely unwilling to change their ways.
post #9 of 13
At this point, since the Earth has experienced some pretty serious cooling in the last two years, it looks like a bit of a radical idea.

It's a little like the suggestion one scientist made for preventing nuclear war. He suggest launching tons of gravel into low earth orbit. If we did that enough, no missile could get through. After all, even a pebble going 17,000 mph will wreck a nuclear warhead.

Of course, it would also mean we would be forever quarantined on Earth, never to explore space again.
post #10 of 13
Although I find the original topic scary this scared me even more!
"Let it be, the earth will take care of itself"
I know we're all trying to protect capitalism here, but it's a very well known flaw of capitalism that long term implications are sometimes not foreseen. The government tries to do its best to eliminate this problem...And we should let it.
post #11 of 13
Quote:
Originally Posted by kscatlady View Post
It's just an emergency option. I think a Nobel prize winning scientist would know what he's talking about.
And it wouldn't be the first time a Nobel Prize winning scientist didn't foresee all the ramifications that their ideas and urgings could lead to - and live to regret.
post #12 of 13
Thread Starter 
Quote:
Originally Posted by kscatlady View Post
It's just an emergency option. I think a Nobel prize winning scientist would know what he's talking about. There has to be some plans in place since people are completely unwilling to change their ways.
I'm sure he knows what he's talking about, but at what cost? As an emergency option, it would mean it would probably be a good deal worse than it is now before it would be used. While all this climate change has been going on, plants and animals have either be adapting, or dying off, and they'll continue to do so. We however, have artificial shelter, heat, cooling, dehumidifying, filtering, purifying; we are trying to maintain a habitat of comfort instead of adapting to natural conditions.

So, if we make a radical attempt to return the earth of conditions similar to what they are now, what will happen to all the life forms that will have spent so many generations adapting to the new conditions? And what will happen to us if we lose a greater than acceptable amount of plant and animal resources because we change things more quickly than they can adapt?
post #13 of 13
Quote:
Originally Posted by kscatlady View Post
It's just an emergency option. I think a Nobel prize winning scientist would know what he's talking about. There has to be some plans in place since people are completely unwilling to change their ways.
It's a theory only and one they should never attempt. Launching reflective particles into the atmosphere could cause a drastic change so profound, it would be worse than global warming in itself. But without having an answer, it should never be attempted.
Quote:
Although I find the original topic scary this scared me even more!
"Let it be, the earth will take care of itself"
I know we're all trying to protect capitalism here, but it's a very well known flaw of capitalism that long term implications are sometimes not foreseen. The government tries to do its best to eliminate this problem...And we should let it
The goverment can't even run itself properly, let alone doing anything like this. Our government has no clue as to whether there really is global warming or not and what is causing it. (Man made or natural phenomena). If it's natural, it has to be left alone. Many people are led to believe that carbon monoxide is the only gas in the atmosphere that warms the earth, but this is not true. Water vapor traps more heat than CO. The earth will take care of itself. I have read another theory on global warming. One such theory is this. If the ocean water temperatures rise, there will be more evaporation. More water vapor in the atmoshpere could mean an increase in the total amount of average cloud cover. If this happens, the increase in cloud cover will decrease the amount of sunlight, thereby allowing less sun heat energy from reaching the earth, slowly cooling it. A natural slow process. Pretty much the same idea as ejecting reflective particles into the atmosphere, but letting nature handle it. Again, this is only another theory. I am not saying we should not be concerned with global warming, but we don't want our stupid goverment messing with it.
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