[geo] Engineer solar solutions locally to save water by Russell Seitz

2018-06-03 Thread Renaud de_Richter
Engineer solar solutions locally to save water by *Russell Seitz* Nature *557*, 309 (2018), doi: 10.1038/d41586-018-05151-8 Solar radiation management is good for more than just global geoengineering (see also A. A. Rahman *et al.* *Nature* *556*, 22–24; 2018

[geo] Carbon taxes can be both fair and effective, study shows (starting with a $50 per ton carbon tax)

2018-04-07 Thread Renaud de_Richter
Carbon taxes can be both fair and effective, study shows April 5, 2018 https://phys.org/news/2018-04-carbon-taxes-fair-effective.html Putting a price on carbon, in the form of a fee or tax on the use of fossil fuels, coupled with returning the generated revenue to the public in one form o

[geo] CO2 Mineral Sequestration in Naturally Porous Basalt

2018-04-07 Thread Renaud de_Richter
CO2 Mineral Sequestration in Naturally Porous Basalt Continental flood basalts are extensive geologic features currently being evaluated as reservoirs that are suitable for long-term storage of carbon emissions. Favorable attributes of these formations for containment of injected carbon dioxide

[geo] There Is No Time Left, by by Robert Hunziker

2018-02-24 Thread Renaud de_Richter
*There Is No Time Left , *February 19, 2018 by Robert Hunziker https://www.counterpunch.org/2018/02/19/there-is-no-time-left/ Imagine a scenario with no temperature difference between the equator and the North Pole. That wa

[geo] Could this geoengineering venture help save the ice caps?

2017-12-07 Thread Renaud de_Richter
*Could this geoengineering venture help save the ice caps?*https://www.greenbiz.com/article/could-geoengineering-venture-help-save-ice-caps *By Sue Lebeck * Wednesday, December 6, 2017 http://www.ice911.org/el-panamericano/ http://www.ice911.org/te

[geo] MCB: We can brighten clouds to reflect heat and reduce global warming. But should we?

2017-11-15 Thread Renaud de_Richter
Congress hears ideas on altering clouds to offset climate change. | The Sacramento Bee http://www.sacbee.com/news/politics-government/article183548301.html By Stuart Leavenworth sleavenwo...@mcclatchydc.com Ever-higher temperatures are melting the ice sheets faster than projected. Sea level is

[geo] Re: Can anyone offer a CE perspective on this SLR article?

2017-11-03 Thread Renaud de_Richter
Maybe: * http://onlinelibrary.wiley.com/doi/10.1002/2016EF000410/full Arctic ice management * https://www.earth-syst-dynam.net/7/203/2016/esd-7-203-2016.pdf Delaying future sea-level rise by storing water in Antarctica * http://www.freepatentsonline.com/20060018719.pdf Apparatus and meth

[geo] Global atmospheric CO2 levels hit record high

2017-10-30 Thread Renaud de_Richter
*UN warns that drastic action is needed to meet climate targets set in the Paris agreement* www.theguardian.com/environment/2017/oct/30/global-atmospheric-co2-levels-hit-record-high Record surge in atmospheric CO2 seen in 2016 http://www.bbc.com/news/science-environment-41778089 Last year's inc

[geo] Berlin conference 3: Why you need to get involved in the geoengineering debate – now

2017-10-19 Thread Renaud de_Richter
*Why you need to get involved in the geoengineering debate – now* *October 19, 2017 by Rob Bellamy, The Conversation * *https://phys.org/news/2017-10-involved-geoengineering-debate.html * The prospect of engineering the wor

[geo] Berlin conference 2

2017-10-12 Thread Renaud de_Richter
'Plan B': Seven ways to engineer the climate October 11, 2017 by Marlowe Hood https://phys.org/news/2017-10-ways-climate.html#jCp Dismissed a decade ago as far-fetched and dangerous, schemes to tame global warming by engineering the climate have migrated from the margins of policy debate tow

[geo] Berlin conference 1

2017-10-12 Thread Renaud de_Richter
*As Paris climate goals recede, geoengineering looms larger* October 11, 2017 by Marlowe Hood https://phys.org/news/2017-10-paris-climate-goals-recede-geoengineering.html Even if you are terrified of heights, jumping out of a plane with a makeshift parachute may begin to look like a good

[geo] SRM / Death by volcano?

2017-05-31 Thread Renaud de_Richter
*Anyone concerned by the idea that people might try to combat global warming by injecting tons of sulfate aerosols* *into Earth's atmosphere may want to read an article in the May 1, 2017 issue of the journal Geology.* https://www.sciencedaily.com/releases/2017/05/170530082345.htm http://geology

Re: [geo] NYT: A Conservative Case for Climate Action

2017-02-11 Thread Renaud de_Richter
Greg*, Aryt, Adam, ** group,* Making the assumption that fossil fuel power plants will make progress in the cleansing, washing and removing exhaust pollutants (reducing SOx & NOx emissions; eliminating heavy metals, soot and particulate matter…), and thus in the future just emit CO2; then there

[geo] videos about geoengineering recorded at the recent UN COP-22 in Marrakech, Morocco. 2016

2017-01-05 Thread Renaud de_Richter
ClimateMatters.TV - GeoEngineering Governance Published on Dec 23, 2016 GeoEngineering is a 'dirty word' even among self-described environmentalists. This possibly ill-advised bias may be our undoing in a world heading toward a climate catastrophe barring swift and drastic cuts to our Greenho

[geo] Direct Capture of CO2 from Ambient Air

2016-08-30 Thread Renaud de_Richter
(open access article) The increase in the global atmospheric CO2 concentration resulting from over a century of combustion of fossil fuels has been associated with significant global climate change. With the global population increase driving continued increases in fossil fuel use, humanity’s p

Re: [geo] March temperature smashes 100-year global record

2016-04-20 Thread Renaud de_Richter
Le dimanche 17 avril 2016 21:25:14 UTC+2, NORTHCOTT Michael a écrit : > > Hi John > > The course of action to slow the rate of warming (it is 0.1 degree per > decade not 0.2) and ultimately to stop it requires all of the following. > Young people and climate activists the world over are calling

[geo] NEW CDR technology? Cloud treatment to increase alkalinity (alkaline rain resulting from cloud treatments removes atmospheric CO2) ?

2016-02-21 Thread Renaud de_Richter
Are there scientific publications on this CDR proposal? Is it described somewhere on the Internet? Has anybody an answer? Thanks! Le vendredi 19 février 2016 10:25:36 UTC+1, Renaud de_Richter a écrit : > > Interesting article on: Emissions reduction: Scrutinize CO2 removal > meth

[geo] Emissions reduction: Scrutinize CO2 removal methods by Phil Williamson

2016-02-19 Thread Renaud de_Richter
Interesting article on: Emissions reduction: Scrutinize CO2 removal methodsNature, 530, 153–155, (11 February 2016), doi:10.1038/530153a Open access http://www.nature.com/news/emissions-reduction-scrutinize-co2-removal-methods-1.19318 The viability and environmental risks of removing carbon

[geo] Re: Leonardo DiCaprio Joins Carbon Capture Technology Company

2016-02-19 Thread Renaud de_Richter
etic Mineralization? Thanks for the explanations Renaud de_Richter Le mardi 16 février 2016 02:53:22 UTC+1, Andrew Lockley a écrit : > > > > http://ecowatch.com/2016/02/11/dicaprio-blue-planet/?utm_content=buffer69cf7&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer

[geo] Geoengineering for Climate Stabilization by Maximilian Lackner

2015-06-21 Thread Renaud de_Richter
Geoengineering for Climate Stabilization, by Maximilian Lackner 2015, pp 1-28 in Handbook of Climate Change Mitigation and Adaptation Editors:Wei-Yin Chen,Toshio Suzuki,Maximilian Lackner ISBN: 978-1-4614-6431-0 (Online) Engineering the climate by means of carbon dioxide removal (CDR), Ear

[geo] Re: Thermo Engineering and Climate Mitigation | The Energy Collective

2015-04-30 Thread Renaud de_Richter
Storing more heat in the Oceans might be a VERY big mistake. Not only for sea level rise, not only for methane hydrates destabilisation but also as one possible response to the increase in anthropogenic carbon in the atmosphere and to the possible weakening of the North Atlantic Deep Water (NAD

[geo] A new process to accelerate mineral weathering : Interview on BBC Radio 4 - 'Inside Science'

2015-02-27 Thread Renaud de_Richter
On BBC Radio 4 - 'Inside Science' http://www.bbc.co.uk/programmes/b053bxy1 *listen from 7 min 38* until 14 min Interview of Prof. Philp Davies, from Aston University. *"Desalination to produce fresh drinking water is on the rise, but the bi-products of the process - acidic brine and carbon di

[geo] Re: The olivine reaction

2015-02-01 Thread Renaud de_Richter
*Thanks to Magnesium, desalination plants could become net absorbers – rather than net emitters – of carbon dioxide* http://www.rsc.org/chemistryworld/2015/01/desalination-plant-carbon-dioxide-source-sink Switching desalination plants from carbon dioxide source to sink 22 January 2015 Katie L

Re: [geo] Re: Energy Planning and Decarbonization Technology | The Energy Collective

2015-02-01 Thread Renaud de_Richter
Some studies (Dessert C, 2001) suggest that the rate of chemical weathering of Indian Deccan Traps (21 - 63 t/km2/yr) and associated atmospheric CO2 consumption (0.58 - 2.54 X 106 mol C/km2/yr) are relatively high compared to those linked to other basaltic regions. The Deccan Traps erosion an

[geo] Melting glaciers and ice sheets set to release more organic carbon as temperatures climb

2015-02-01 Thread Renaud de_Richter
r, can also help to contain the summer glacier melting. See chapter 3.2 of free open access article* http://www.sciencedirect.com/science/article/pii/S1364032113008460 <http://www.sciencedirect.com/science/article/pii/S1364032113008460> * Renaud de_Richter -- You received this message becaus

[geo] Re: Mirrors could replace air conditioning by beaming heat into space

2014-11-27 Thread Renaud de_Richter
Dear group, This paper was discussed on 20 march 2014, on the 3rd post of "New ideas (1) on how to cool the Planet: developing night radiative *cooling*. " https://gro

Re: [geo] A Win-Win research program proposal on SRM (sunlight reflection methods)

2014-08-17 Thread Renaud de_Richter
effect... (*) D. Shindell, J.C.I. Kuylenstierna, ... *et al. **Simultaneously mitigating near-term climate change and improving human health and food security, *Science, 2012, 335, 183–189. Le mercredi 6 août 2014 11:46:46 UTC+2, Renaud de_Richter a écrit : > > Dear David, > > Y

Re: [geo] A Win-Win research program proposal on SRM (sunlight reflection methods)

2014-08-06 Thread Renaud de_Richter
horizontal and vertical distribution are improved. Whilst the > particulates are > > removed, some part of the sulphates can be lofted higher to where they > can act > > as a solar-reflective shield to cool larger regions. > > > > To do so, what is proposed is to mod

[geo] Re: A Win-Win research program proposal on SRM (sunlight reflection methods)

2014-08-05 Thread Renaud de_Richter
ate and Health > Effects > <http://atmo.tamu.edu/courses/atmo689-gs/lectureweek10/aerosolreview.pdf> > > Atmospheric processes, tropospheric ozone and black carbon > concentrations, deposition and radiative forcing > <http://www.unep.org/dewa/Portals/67/pdf/03_BC_Chap

[geo] Re: Sea Ice

2014-05-17 Thread Renaud de_Richter
Greg, Ron, Peter, Geo-group The technology proposed by Zhou and Flynn [1]to “*re-ice the Arctic*” during the winter uses snow cannons powered by wind turbin

[geo] Direct Air Capture with a reduction of operating costs by 25%

2014-03-26 Thread Renaud de_Richter
A *reduction of operating costs **by 25%* has been described for Direct Air Capture of CO2 in http://dx.doi.org/10.1016/j.rser.2012.10.026 de_Richter, R. K., Ming, T., & Caillol, S. Fighting global warming by photocatalytic reduction of CO2 using g