Sunday, February 12, 2017 7:14:18 PM
Scientist suggests refreezing the Arctic to stop global warming
PTI | Dec 12, 2012, 07.10 PM IST
LONDON: A US scientist has offered a radical solution to global warming by suggesting that we could refreeze the Arctic using a few modified jets.
David Keith, professor of applied physics at Harvard University, used climate models to suggest that injecting reflective particles into the atmosphere could reduce the amount of sunlight reaching the Earth, engineering a regional effect that could bring ice back to the Arctic.
He claims that reducing the penetration of sunlight by just 0.5 per cent could be possible to restore the sea-ice around the North Pole back to pre-industrial era levels, the 'Daily Mail' reported.
"Decisions involving (solar radiation management) do not need to be reduced to a single "global thermostat", the study said.
Keith's research suggests the whole operation could be accomplished with just a few modified Gulfstream jets, costing around USD 8 billion a year.
His studies explore the possibility that a technological solution could be found to the problem of global warming melting the ice caps on the North Pole.
Keith claims that "any significant nation" could find the resources to carry out the operation.
The amount of ice in the Arctic Ocean has shrunk to an all time low in September, with the total area covered now half what it was in the 1980s, the report said.
"The really hard questions here aren't mostly technical. They're questions about what kind of planet we want and who we are," he told Canadian newspaper The Windsor Star.
However, while Keith believes action must be taken to tackle the amount of pollution spewed into the Earth's atmosphere, he doesn't yet advocate the kind of action his study suggest.
Open-air and large-scale geo-engineering of the kind Keith has suggested has been ruled out by the United Nations Convention on Biological Diversity.
Keith suggested such drastic geo-engineering could have disastrous unintended effects but could be a viable response to a "climate emergency" such as the sudden collapse of ice sheets or a killing drought.
http://timesofindia.indiatimes.com/home/environment/global-warming/Scientist-suggests-refreezing-the-Arctic-to-stop-global-warming/articleshow/17587125.cms
was alluded to in
"Hence Desch’s scheme to use wind pumps to bring water that is insulated from the bitter Arctic cold to its icy surface, where it will freeze and thicken the ice cap. Nor is the physicist alone in his Arctic scheming: other projects to halt sea-ice loss include one to artificially whiten the Arctic by scattering light-coloured aerosol particles over it to reflect solar radiation back into space, and another to spray sea water into the atmosphere above the region to create clouds that would also reflect sunlight away from the surface."
of yours .. maybe Steven Desch and his Arizona State University team's idea of "10 million wind-powered pumps" would not be ruled out under the UN convention mentioned above as it's not putting something into the atmosphere to be blown by winds .. i don't know, it's a big one .. https://www.cbd.int/convention/text/ .. or maybe the convention should be revisited.
As far as the cost, well there are plenty of places savings could be made.
Billions wasted on infrastructure projects from bad planning, bureaucracy
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Updated Wed at 3:33pm
http://www.abc.net.au/news/2017-02-08/billions-wasted-on-infrastructure-projects-from-bad-planning/8251836
Six Wasteful Practices in United States Healthcare Spending
Written By : Pat Palmer
https://www.medicalrecoveryservices.org/resources/six-wasteful-practices-united-states-healthcare-spending/
Are CEOs Overhyped and Overpaid?
Tomas Chamorro-Premuzic
November 01, 2016
https://hbr.org/2016/11/are-ceos-overhyped-and-overpaid
.. there are so many places the cost could come from .. then, of course,there are
all the forces who would want the ice to disappear .. fuck .. :) .. loved your article.
Anyway, all that sort of human intervention aside this is one which possible solution which should appeal to all.
The solution for the melting polar ice caps may be hiding in the rainforest
Dr Paul Salaman
Reducing carbon emissions is truly important to mitigating climate change. But
in the meantime, it’s faster and cheaper to save and regrow tropical trees
The Amazon rain forest canopy at dawn in Brazil – which must be part of the solution
to the melting polar ice caps Photograph: Peter van der Sleen/University o/PA
Monday 11 January 2016 22.30 AEDT
Last modified on Thursday 21 January 2016 14.15 AEDT
There was already dramatic evidence that our planet is undeniably warming before 30 December 2015, when the world heard that the ice at the North Pole was melting. (The temperature on 30 December 2015 was, by some reports .. http://www.theatlantic.com/science/archive/2015/12/iceland-storm-melt-north-pole-climate-change/422166/ , 33ºF [0.7ºC], 50ºF above average).
And yet one immediate, effective way to fight climate change and save polar ice caps is half a world away, in the tropics. Tropical forest conservation and restoration could constitute half of the global warming solution, according to a recent peer reviewed commentary in Nature Climate Change .. http://www.nature.com/nclimate/journal/v5/n12/full/nclimate2869.html .
Reducing carbon emissions, as the nations of the world promised to do in Paris last month, is essential, but simultaneously pulling carbon out of the atmosphere (which is what rainforests do) would immediately and significantly reduce atmospheric carbon dioxide (CO2) at a surprisingly low cost, providing a crucial bridge to a post-fossil fuel era.
The potential of rainforest conservation to address global warming should be enough to galvanize massive worldwide rainforest conservation efforts. The natural regrowth and subsequent protection of hundreds of millions of acres of degraded rainforest would result in massive absorption of carbon as the trees grow. While it is crucial that we transition away from the use of fossil fuels, the reality is that rainforest protection can happen much more quickly.
But that is only part of the story.
Rainforest conservation is also incredibly economical. One acre of Amazon rainforest in Peru, which stores up to 180 metric tonnes of CO2, can be protected for just a few dollars; the same is true elsewhere in Latin America and Africa. The implications here are astounding and should give us pause: for the cost of a meal – or even a coffee – each of us could save an area of forest about the size of four football pitches and safely store about 725 metric tonnes of CO2. To put this in perspective, the annual emissions of a typical passenger vehicle in the United States is less than 4.5 metric tonnes of CO2.
Carbon storage, however, is only one benefit of rainforest conservation. Not only do rainforests protect animals such as elephants, tigers and orangutans, they provide a refuge for hundreds and thousands of other lesser-known species. Among other benefits, the medicinal properties of undiscovered and unstudied plants may hold the key to successfully treating cancer and other deadly diseases.
And rainforests provide the world with a disproportionately high percentage of its oxygen and fresh water – the Amazon River alone contains 20% of the world’s freshwater– and act as natural engines that keep the planet’s tropical ecosystems running smoothly.
Although wholesale clear-cutting and selective logging have destroyed massive areas of rainforest, vast areas remain intact. And degraded rainforest, if allowed to regenerate, is amazingly resilient. In 10 years, seedlings can grow into 50-foot [15-meter] trees. Diverse wildlife can return and rebound within two to three years.
Both the remaining pristine rainforest and degraded forest require the world’s attention: a vigorous, concerted effort is needed if we are going to react appropriately to the staggering demands being placed on our planet’s rainforest.
Deforestation in the name of economic development has occurred routinely over many decades without regard to its devastating consequences. It is completely unsustainable for governments to continue to provide concessions, subsidies and tax breaks to business when logging, oil extraction, mining for minerals, fires, palm oil plantations, large scale commercial agriculture, cattle ranching and road construction continue to diminish the earth’s finite, invaluable rainforests.
The case for rainforest preservation – already overwhelmingly strong – can no longer be cast as a niche effort of conservationists and scientists; it needs to be everyone’s concern. For those wishing to tackle our planet’s greatest environmental challenge, there is no better place to begin than saving our tropical rainforests.
https://www.theguardian.com/commentisfree/2016/jan/11/climate-change-solutions-rainforest-melting-polar-ice-caps
There is no better place.
See also:
Brazil confirms rising deforestation in the Amazon
http://investorshub.advfn.com/boards/read_msg.aspx?message_id=112109279
PTI | Dec 12, 2012, 07.10 PM IST
LONDON: A US scientist has offered a radical solution to global warming by suggesting that we could refreeze the Arctic using a few modified jets.
David Keith, professor of applied physics at Harvard University, used climate models to suggest that injecting reflective particles into the atmosphere could reduce the amount of sunlight reaching the Earth, engineering a regional effect that could bring ice back to the Arctic.
He claims that reducing the penetration of sunlight by just 0.5 per cent could be possible to restore the sea-ice around the North Pole back to pre-industrial era levels, the 'Daily Mail' reported.
"Decisions involving (solar radiation management) do not need to be reduced to a single "global thermostat", the study said.
Keith's research suggests the whole operation could be accomplished with just a few modified Gulfstream jets, costing around USD 8 billion a year.
His studies explore the possibility that a technological solution could be found to the problem of global warming melting the ice caps on the North Pole.
Keith claims that "any significant nation" could find the resources to carry out the operation.
The amount of ice in the Arctic Ocean has shrunk to an all time low in September, with the total area covered now half what it was in the 1980s, the report said.
"The really hard questions here aren't mostly technical. They're questions about what kind of planet we want and who we are," he told Canadian newspaper The Windsor Star.
However, while Keith believes action must be taken to tackle the amount of pollution spewed into the Earth's atmosphere, he doesn't yet advocate the kind of action his study suggest.
Open-air and large-scale geo-engineering of the kind Keith has suggested has been ruled out by the United Nations Convention on Biological Diversity.
Keith suggested such drastic geo-engineering could have disastrous unintended effects but could be a viable response to a "climate emergency" such as the sudden collapse of ice sheets or a killing drought.
http://timesofindia.indiatimes.com/home/environment/global-warming/Scientist-suggests-refreezing-the-Arctic-to-stop-global-warming/articleshow/17587125.cms
was alluded to in
"Hence Desch’s scheme to use wind pumps to bring water that is insulated from the bitter Arctic cold to its icy surface, where it will freeze and thicken the ice cap. Nor is the physicist alone in his Arctic scheming: other projects to halt sea-ice loss include one to artificially whiten the Arctic by scattering light-coloured aerosol particles over it to reflect solar radiation back into space, and another to spray sea water into the atmosphere above the region to create clouds that would also reflect sunlight away from the surface."
of yours .. maybe Steven Desch and his Arizona State University team's idea of "10 million wind-powered pumps" would not be ruled out under the UN convention mentioned above as it's not putting something into the atmosphere to be blown by winds .. i don't know, it's a big one .. https://www.cbd.int/convention/text/ .. or maybe the convention should be revisited.
As far as the cost, well there are plenty of places savings could be made.
Billions wasted on infrastructure projects from bad planning, bureaucracy
By senior business correspondent Peter Ryan
Updated Wed at 3:33pm
http://www.abc.net.au/news/2017-02-08/billions-wasted-on-infrastructure-projects-from-bad-planning/8251836
Six Wasteful Practices in United States Healthcare Spending
Written By : Pat Palmer
https://www.medicalrecoveryservices.org/resources/six-wasteful-practices-united-states-healthcare-spending/
Are CEOs Overhyped and Overpaid?
Tomas Chamorro-Premuzic
November 01, 2016
https://hbr.org/2016/11/are-ceos-overhyped-and-overpaid
.. there are so many places the cost could come from .. then, of course,there are
all the forces who would want the ice to disappear .. fuck .. :) .. loved your article.
Anyway, all that sort of human intervention aside this is one which possible solution which should appeal to all.
The solution for the melting polar ice caps may be hiding in the rainforest
Dr Paul Salaman
Reducing carbon emissions is truly important to mitigating climate change. But
in the meantime, it’s faster and cheaper to save and regrow tropical trees
The Amazon rain forest canopy at dawn in Brazil – which must be part of the solution
to the melting polar ice caps Photograph: Peter van der Sleen/University o/PA
Monday 11 January 2016 22.30 AEDT
Last modified on Thursday 21 January 2016 14.15 AEDT
There was already dramatic evidence that our planet is undeniably warming before 30 December 2015, when the world heard that the ice at the North Pole was melting. (The temperature on 30 December 2015 was, by some reports .. http://www.theatlantic.com/science/archive/2015/12/iceland-storm-melt-north-pole-climate-change/422166/ , 33ºF [0.7ºC], 50ºF above average).
And yet one immediate, effective way to fight climate change and save polar ice caps is half a world away, in the tropics. Tropical forest conservation and restoration could constitute half of the global warming solution, according to a recent peer reviewed commentary in Nature Climate Change .. http://www.nature.com/nclimate/journal/v5/n12/full/nclimate2869.html .
Reducing carbon emissions, as the nations of the world promised to do in Paris last month, is essential, but simultaneously pulling carbon out of the atmosphere (which is what rainforests do) would immediately and significantly reduce atmospheric carbon dioxide (CO2) at a surprisingly low cost, providing a crucial bridge to a post-fossil fuel era.
The potential of rainforest conservation to address global warming should be enough to galvanize massive worldwide rainforest conservation efforts. The natural regrowth and subsequent protection of hundreds of millions of acres of degraded rainforest would result in massive absorption of carbon as the trees grow. While it is crucial that we transition away from the use of fossil fuels, the reality is that rainforest protection can happen much more quickly.
But that is only part of the story.
Rainforest conservation is also incredibly economical. One acre of Amazon rainforest in Peru, which stores up to 180 metric tonnes of CO2, can be protected for just a few dollars; the same is true elsewhere in Latin America and Africa. The implications here are astounding and should give us pause: for the cost of a meal – or even a coffee – each of us could save an area of forest about the size of four football pitches and safely store about 725 metric tonnes of CO2. To put this in perspective, the annual emissions of a typical passenger vehicle in the United States is less than 4.5 metric tonnes of CO2.
Carbon storage, however, is only one benefit of rainforest conservation. Not only do rainforests protect animals such as elephants, tigers and orangutans, they provide a refuge for hundreds and thousands of other lesser-known species. Among other benefits, the medicinal properties of undiscovered and unstudied plants may hold the key to successfully treating cancer and other deadly diseases.
And rainforests provide the world with a disproportionately high percentage of its oxygen and fresh water – the Amazon River alone contains 20% of the world’s freshwater– and act as natural engines that keep the planet’s tropical ecosystems running smoothly.
Although wholesale clear-cutting and selective logging have destroyed massive areas of rainforest, vast areas remain intact. And degraded rainforest, if allowed to regenerate, is amazingly resilient. In 10 years, seedlings can grow into 50-foot [15-meter] trees. Diverse wildlife can return and rebound within two to three years.
Both the remaining pristine rainforest and degraded forest require the world’s attention: a vigorous, concerted effort is needed if we are going to react appropriately to the staggering demands being placed on our planet’s rainforest.
Deforestation in the name of economic development has occurred routinely over many decades without regard to its devastating consequences. It is completely unsustainable for governments to continue to provide concessions, subsidies and tax breaks to business when logging, oil extraction, mining for minerals, fires, palm oil plantations, large scale commercial agriculture, cattle ranching and road construction continue to diminish the earth’s finite, invaluable rainforests.
The case for rainforest preservation – already overwhelmingly strong – can no longer be cast as a niche effort of conservationists and scientists; it needs to be everyone’s concern. For those wishing to tackle our planet’s greatest environmental challenge, there is no better place to begin than saving our tropical rainforests.
https://www.theguardian.com/commentisfree/2016/jan/11/climate-change-solutions-rainforest-melting-polar-ice-caps
There is no better place.
See also:
Brazil confirms rising deforestation in the Amazon
http://investorshub.advfn.com/boards/read_msg.aspx?message_id=112109279
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