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Comments on Reduce Global Warming By Blocking Sunlight
At a conference last year on global warming, distinguished astrophysicist and sf author Gregory Benford pointed out that the various measures proposed to stop global warming will not do the job soon enough. (Read the complete story)

"Nice quick fix, but fundamentally it is too weak & open to attack, besides it give Mr Oilman the excuse to continue LOSING money feeding Mr Humvee!!!"
( 4/11/2005 8:35:16 AM)
"I think the Annunaki did it better, they used gold dust to reflect the sunlight away "
(gerard 4/11/2005 8:46:21 PM)
"I don't think that's a very good Idea. I wouldn't do it!"
(dtjbnfsjcdjvjsdjdfjdfkkfgkgjkkjjsfbkjnfjbfngjbkjjk 4/13/2005 5:11:47 AM)
"This is just a guess on my part, but it seems to me that something like this has the potential to overcorrect the problem. "
( 4/13/2005 1:39:35 PM)
"this is a very good idea .. simple, implementable, cheap, and urgently needed ! .. a few additions : 1) blocking out sunlight above 'countries' would be wrong 2) blocking out sunlight over oceans would affect air currents 3) creating ONE black area may solve the heat but create other side effects 4) a 1000 km dia fresnel would need a few mm thick material .. 1000's of 1 km dia fresnels would need only foils 5) the freznels could generate current to recharge batteries (an easy to do thing really .. generating electricity out of solar heat in weightless and vacuum conditions) .. and could serve as a space gas station .. err .. space energy fuel station 6) L1 point is not important for parking such a station .. ANY point would do .. even a 90 min near earth orbit .. that too would cast shadows .. this is all about blocking out sunlight 7) sunlight could be blocked selectively too .. over areas which ARE the heat generating areas .. since those are generating their own heat anyway .. and so would not need the heat of the sun 8. maybe microwave would be a good option .. a 4km dia 'converter' out there .. could power entire usa .. by 'microwaving' power to earth below .. and allowing aircraft to fly thru the 4km dia cylindrical area too 9) deserts like sahara, thar, mogolian, salt flats, arizona could be very thankful for 'cooling' them .. we could convert those to fields for cultivation or residing too"
( 4/28/2005 7:57:02 PM)
"See my comment at "
(linoleo 5/6/2005 7:01:23 PM)
"If the two mini plates at Panama lets go, and the land bridge is broken, the resulting mixing of the Atlantic and Pacific at that critical point will alter the worlds weather nicely, and abruptly. the current pressure lines of teutonic pressure assures this senerio, if the wobble in the earths rotation doesnt happen soon to correct the last one. After the Sumatra Quake, which was the result of, not the cause of the Wobble. (Check the historical 2004 quake patterns, and it clearly shows the pressure line) Those two plates will crumble like old Concrete."
(Kyle Gosnell 5/27/2005 11:55:41 AM)
"Story of my life. Every time I come up with what I think is an original idea, I find that someone else has gotten there first."
(ron barr 1/29/2006 11:30:47 AM)
"i know how to stop global warming but i dont want to share my great idea"
(lewis mcnamara 6/30/2006 9:17:36 AM)
"If every global citizen would give 5 dollar, we would have the budget to do it. Where is the problem ? Let's give it a try! We will have to anyways, sooner or later. "
(Alex 11/11/2006 1:16:38 PM)
"Air pollution is already doing a lot more than 2% so why bother with only 1.8% extra. And then again, when its no longer necessary eg when an iceage on its way ,who is going to remove all those 100000 lenses? Are we going to shoot them?"
(Rob Huesken 11/11/2006 1:16:06 PM)
"I believe the existing solutions have some merit. I prefer a solution where we launch small balloons and fill them with CO2. The spheres would be more stable and the CO2 we would be removing from the atmosphere would be a form of carbon removal."
(Eric Hagedorn 11/12/2006 4:48:52 AM)
"What the Heck?!? The problem is not the Sun, it's Humans!!! We need to stop and think... Hmmm, why is the planet heating up SO FAST? "
(Mike 11/12/2006 2:39:52 PM)
"I recently read in an article on that the sun's energy output has actually increased of late (on the cosmic time scale) and that may also be contributing to global warming"
(Barb 11/13/2006 10:22:36 AM)
"Re: Worrisome space shade. The only worrisome thing hers is that the world governments are completely unwilling to admit global warming exists and that the people lawmakers who could fund solutions turn out to be the ones who are the worst heat polluters around. I certainly worry about your own attitude here. People mention draconian measures as if the do nothing way is not draconian when a billion or so people find their homes and offices underwater. Ask the Danes how much it would cost to build dikes around Florida and Bangladesh, Venice, etc. How about category 6 hurricanes with 230 MPH winds to rival Mt. Washington, NH./ What about China producing at the same rate as the US.? Nearly doubling the oil demand."
(oldmoal 11/15/2006 8:32:21 AM)
"No need for smoke and mirrors. The answer is birth control innit."
(Billingsgate 1/29/2007 1:51:03 PM)
( 3/19/2007 8:15:37 AM)
"Now here's an idea that came to my mind a while ago. One of the major causes of global warming is the heating of the water. The worst impact of this phenomena is observed in the pole, where the ice is melting extensively and even in geometrical progression. So, the main idea is to put flat, floating, self energy sufficient (solar&wind energy, as well as wave energy) modules, that contain a cooling mechanism. It would be kind of a floating air (read water) conditioning system. I think it is plausible, dont you?"
(GreenSys 10/15/2007 6:38:13 PM)
"I think that's a great idea, particularly the general concept of using solar power in some sort of device that helps us to solve a problem. I found myself wondering last week if it was possible to reduce carbon monoxide in the atmosphere with some sort of solar powered device that would actually separate the carbon from the oxygen. This would be better than merely liquifying the CO2 and then trying to store it, which has never sounded really practical to me (although it is being tried)."
(Bill Christensen 10/15/2007 7:34:02 PM)
"If your going to use examples to strengthen your point-make sure they are correct.There are numerous sites that will give the correct information relating to the Apartheid regime. Firstly it was the white minority who withheld rights from the non-European majority of south Africa, which included Asians,Africans and mixed race... "
(A south african who gives a damn 7/5/2008 1:38:54 AM)
"What would prevent meteorites hitting and ultimately destroying the lens? "
( 7/5/2008 1:42:11 AM)
"Yes, I know. Clarke was writing about a (fictional) future, somewhat tongue-in-cheek."
(Bill Christensen 7/5/2008 6:03:56 AM)
"Why this obsession with lowering standards to "save the environment"? Why not 'redirect' sunlight from the north & south poles to the large northern cities? Volia! Less need for streetlights, carbon based heating and incresed practicality of solar panels etc. Will we do this? Never, Doesn't fit into our Protestant ethos of joy through suffering."
(Stephen 10/2/2008 3:55:26 PM)

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