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#carbondioxide

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Public
Calishat

#solar #SolarEnergy #CarbonDioxide #CarbonCapture

'Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, using sunlight as the power source. ... Unlike most carbon capture technologies, the reactor developed by the Cambridge researchers does not require fossil-fuel-based power, or the transport and storage of carbon dioxide, but instead converts atmospheric CO2 into something useful using sunlight."

cam.ac.uk/research/news/solar-

University of CambridgeSolar-powered device captures carbon dioxide from air to make sustainable fuelResearchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, using sunlight as the power source.
Public
💧🌏 Greg Cocks

The Great Dismal Swamp Has Released Millions Of Tons Of Carbon Since The Colonial Era, Research Finds
--
whro.org/environment/2024-11-0 <-- shared article
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doi.org/10.1029/2024JG008137 <-- shared paper
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#GIS #spatial #mapping #climatechange #GreatDismalSwamp #carbon #NorthCarolina #Virginia #USA #engineering #water #hydrology #swamp #habitat #biodiversity #humanimpacts #carbondioxide #landuse #change #wetlands #peatlands #carbonsink #methane #model #spatialanalysis #spatiotemporal #research #peat #peatswamp #drainage #ditches #engineering #reclamation #peatfire #mitigation #ecosystem #carbonloss #hydrospatial

photo - A researcher moves through the Great Dismal Swamp in Virginia.
Schematic - ash mass concept. For a column of peat exposed to drainage, the surface peat is exposed to more oxidation and therefore carbon is lost but the ash content is conserved. This demonstrates how carbon loss can be calculated using the remaining ash in the peat column. The terms correspond to the terms in Equations 1-5, with r = reference layer and i = impacted layer. The dashed line in the second column indicates the loss. The loss in thickness due to shallow subsidence results from the difference in the bulk densities, whereas the secondary subsidence results from the loss in elevation due to oxidation, driven by the differences in ash mass.
Maps - coring locations, ditches by age, dominant vegetation communities. Contours correspond to estimated peat depths based on Oaks and Whitehead (1979). Coring locations are indicated by the following numbers: 1. GDS519, 2. GDS520, 3. GDSW1, 4. GDS77, 5. GDS83, 6. GDS528, 7. Interior-South, 8. Interior-North, 9. GDS96, 10. GDS-P + H, 11. GDS542, 12. GDS-04-14-2022-1A, 13. GDS-04-14-2022-1B. (a) Map of Great Dismal Swamp National Wildlife Refuge (GDS NWR) showing coring locations and binned ages of ditch, canal, and railroad installation, (b) Map of GDS NWR showing dominant vegetation communities within GDS NWR. The “early successional” (marsh) area to the southeast of Lake Drummond corresponds to the area burned in both 2008 and 2011. The area bounded by shading represents the Great Dismal Swamp NWR boundary.
charts - Carbon stocks and accumulation at GDS sites. (a) Carbon stocks for all sites, including two calculations for heavily impacted sites (GDS-W1, GDS-77, and GDS-P&H). Stars indicate calculations from ash mass from the lower depths of each of those cores, while the other (b) calculation for these sites indicates the lower ash mass calculation using the average of other less disturbed sites. Burn scar cores calculations are down to the first charcoal peak (a) and down to the second peak (b) for GDS-Interior-North and South. (b) Carbon accumulation and loss rates for cores with vegetation reconstructions. Negative values indicate carbon loss values.
Public
O=C=O

New powder that captures carbon could be ‘quantum leap’ for industry

Just half a pound of the stuff may remove as much #CarbonDioxide as a tree can, according to early tests.
The powder is known as a covalent organic framework, with strong chemical bonds that pull gases out of the air. The material is both durable and porous, and can be used hundreds of times, making it superior to other materials used for #CarbonCapture.

theguardian.com/environment/20

#CO2
#ClimateCrisis

Public
Bentley

"Well #BigOil in Canada had to be pushed back with legislation on #greenwashing because their claim repeatedly is 'we are leading the path to #NetZero by 2050.' This feels like an admission that everything they've been saying about #CarbonCapture & what's going to happen with #emissions isn't true."

podcastics.com/episode/327296/
#Climate #ScrapTheCap #CutTheCrap #abpoli #Greenwashing #Disinformation #CarbonDioxide

The Climate LensDebunk The Junk: Alberta's 7 Million Dollar Disinformation CampaignExploring the Latest Alberta Anti-Climate Policy with Jeremy Appel
Public
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

Carbon #emissions are now growing faster than before the #pandemic
Despite talk of a green recovery, global #greenhousegas emissions continued to rise as the world emerged from coronavirus lockdowns. Emissions rose 1.3% to 57.1 gigatons of #carbondioxide in #2023. That is far faster annual rate of growth than during 2010-2019, when emissions grew on average 0.8% per year. In fact, global greenhouse gas emissions are now just below the 59.1 gigatons peak recorded in 2019.
newscientist.com/article/24531

New Scientist · Carbon emissions are now growing faster than before the pandemicBy Madeleine Cuff
Public
Ben Royce 🇺🇦

#USA #politics is driving me crazy, let's look north to #Canada for some probity...

'#Alberta #UCP to vote on celebrating #CO2, and not recognizing it as #pollutant

A proposal to stop labelling #carbondioxide as a pollutant and instead celebrate it as a "foundational nutrient for all life on Earth” will be up for debate at the #UnitedConservativeParty’s annual general meeting in November.'

😬 😬 😬

nationalobserver.com/2024/10/1

Canada's National Observer · Alberta UCP to vote on celebrating CO2, and not recognizing it as pollutantA proposal to stop labelling carbon dioxide as a pollutant and instead celebrate it as a "foundational nutrient for all life on Earth” will be up for debate at the United Conservative Party’s annual general meeting in November.
#climatecrisis#climatechange#globalwarming
Replied in thread
Public
Nonilex

That target has stayed in place, even as countries have failed to limit #FossilFuel burning: #CarbonDioxide concentrations in the atmosphere are rising at a record pace, acc/to observations in March at Hawaii’s MLO.

But in a special #UnitedNations report in 2018, scientists & #climate modelers popularized a controversial idea: that nations could “#overshoot” the target temporarily, & then bring temperatures back down in the future.

#ClimateCrisis#GlobalWarming#ExtremeWeather
Public
Cosmic Librarian

Discovery of 3,775-year-old preserved log supports 'wood vaulting' as a climate solution

A new study published in the journal Science suggests that an ordinary old log could help refine strategies to tackle climate change.

A team of researchers led by University of Maryland Atmospheric and Oceanic Science Professor Ning Zeng analyzed a 3,775-year-old log and the soil it was excavated from. Their analysis, published on September 27, 2024, revealed that the log had lost less than 5% carbon dioxide from its original state thanks to the low-permeability clay soil that covered it.

Not mentioned is that some of the oldest living things on Earth...are trees.

#carbondioxide #trees #climatechange #solutions

phys.org/news/2024-09-discover

Phys.org · Discovery of 3,775-year-old preserved log supports 'wood vaulting' as a climate solutionBy University of Maryland
Continued thread
Public
CelloMom On Cars

"Once in operation, the spacecraft will scan about 50,000 square miles (130,000 square kilometers) of Earth’s surface per day. #CarbonMapper scientists will analyze data from Tanager-1 to identify gas plumes with the unique spectral signatures of #methane and #CarbonDioxide — and pinpoint their sources. Plume data will be publicly available online at the Carbon Mapper data portal."

scitechdaily.com/nasa-launches
#Tanager1

Continued thread
Public
Ricardo Harvin

Screw you, #CO2. We're all gonna burn through you!

Maybe.

If this works, in the 2100's or beyond, we may be facing a crisis of lack of #CarbonDioxide because #capitalism is insatiable.

Loss of #biodiversity and ending other #GreenhouseGas #emissions would still be issues to address, but using CO2 as an affordable, #scalable, #energy source might be a great Everything, Everywhere, All at Once #ClimateChange mitigation solution.

news.mit.edu/2023/engineers-de

MIT News | Massachusetts Institute of TechnologyEngineers develop an efficient process to make fuel from carbon dioxideBy David L. Chandler | MIT News
Public
CelloMom On Cars

Here's some good news.

You often hear that so-and-so much #GlobalWarming is "baked in", that is, the world keeps on warming on the #GreenhouseGases already emitted.

"The best available evidence shows that, on the contrary, warming is likely to more or less stop once #CarbonDioxide (CO2) #emissions reach zero, meaning humans have the power to choose their #climate future."

A very good explainer:

carbonbrief.org/explainer-will

Carbon Brief · Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached? - Carbon BriefWarming is likely to more or less stop once net-zero emissions of carbon dioxide (CO2) is reached, meaning humans have the power to choose their climate future.
#ClimateChange
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