Category:Climate Change: Difference between revisions
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<big><big>'''''Climate Impact of Increasing Atmospheric Carbon Dioxide'''''</big></big> | |||
From the Journal of Science | |||
28 August 1981, Volume 213, Number 4511 | |||
James Hansen et al. | |||
'''''Greenhouse Effect''''' | |||
Atmospheric CO2 increased from 280 to 300 parts per million in 1880 to 335 to 340 ppm in 1980, mainly due to burning of fossil fuels.... | |||
'''''Summary.''''' ''The global temperature rose by 0.20C between the middle 1960’s and1980, yielding a warming of 0.4°C in the past century. This temperature increase is consistent with the calculated greenhouse effect due to measured increases of atmospheric carbon dioxide. Variations of volcanic aerosols and possibly solar luminosity appear to be primary causes of observed fluctuations about the mean trend of increasing temperature. It is shown that the anthropogenic carbon dioxide warming should emerge from the noise level of natural climate variability by the end of the century, and there is a high probability of warming in the 1980’s. Potential effects on climate in the 21st century include the creation of drought-prone regions in North America and central Asia as part of a shifting of climatic zones, erosion of the West Antarctic ice sheet with a consequent worldwide rise in sea level, and opening of the fabled Northwest Passage. | |||
* https://pubs.giss.nasa.gov/docs/1981/1981_Hansen_ha04600x.pdf | |||
Revision as of 23:37, 21 August 2021
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Green values demand strategic focus on #ClimatePolicy & #EnvironmentalSecurity
New Definitions of National Security are necessary to meet the Climate Change Challenges of our Era
New Definitions of National Security
- "Climate Change", "Climate Devastation"
Environmental Security, National Security
Earth Science Research from Space
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Our "Thin Blue" focus on atmospheric science & climate change
Rarely recognized as a 'strategically vital' natural resource, our home planet's thin blue layer of life protecting atmosphere is being disrupted
- Today's industrial emissions are 'externalities', ominous costs adding up relentlessly in an experimental brew of risk & change to "Thin Blue"
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After the Paris Agreement: "Now What?"
Paris Climate Agreement Tracker / CAIT Climate Data Explorer
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Pope Francis on the eve of the Climate mtgs
- "It would be sad, and dare I say even catastrophic, were special interests to prevail over the common good and lead to manipulating information in order to protect their own plans and interests."
- "The Pope focuses comments to those who reject the science behind global warming..."
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"Climate Change", aka, "Climate Disruption"
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Begin with the History of Climate Change Science
The Discovery of Global Warming
- https://www.aip.org/history/climate/author.htm
- https://www.aip.org/history/climate/summary.htm (with hyperlinks)
Congressman Brown / Science Committee in Front of Climate Action
National Climate Program Act, 1978 / PDF
- The first US federal program established (1978) to study and assess scientifically the issues and risks of human-caused climate change
Dr. James Hansen / 1981
Climate Impact of Increasing Atmospheric Carbon Dioxide
From the Journal of Science
28 August 1981, Volume 213, Number 4511
James Hansen et al.
Greenhouse Effect
Atmospheric CO2 increased from 280 to 300 parts per million in 1880 to 335 to 340 ppm in 1980, mainly due to burning of fossil fuels....
Summary. The global temperature rose by 0.20C between the middle 1960’s and1980, yielding a warming of 0.4°C in the past century. This temperature increase is consistent with the calculated greenhouse effect due to measured increases of atmospheric carbon dioxide. Variations of volcanic aerosols and possibly solar luminosity appear to be primary causes of observed fluctuations about the mean trend of increasing temperature. It is shown that the anthropogenic carbon dioxide warming should emerge from the noise level of natural climate variability by the end of the century, and there is a high probability of warming in the 1980’s. Potential effects on climate in the 21st century include the creation of drought-prone regions in North America and central Asia as part of a shifting of climatic zones, erosion of the West Antarctic ice sheet with a consequent worldwide rise in sea level, and opening of the fabled Northwest Passage.
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Subcategories
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Pages in category "Climate Change"
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Media in category "Climate Change"
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(previous page) (next page)- 'Thin Blue Layer' of Earth's Atmosphere xl.jpg 1,152 × 648; 79 KB
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