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Geoengineering Info Profile picture
@geoengineering1
May 1, 2023 โ€ข 6 tweets โ€ข 8 min read โ€ข Read on X
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๐Ÿšจ๐…๐จ๐ซ #๐‚๐ƒ๐‘ ๐…๐จ๐ฅ๐ค๐ฌ!๐Ÿšจ
ICYM any recent developments in the field of #CarbonDioxideRemoval published btw ๐‰๐š๐ง๐ฎ๐š๐ซ๐ฒ ๐Ÿ๐ŸŽ๐Ÿ๐Ÿ‘ & ๐€๐ฉ๐ซ๐ข๐ฅ ๐Ÿ๐ŸŽ๐Ÿ๐Ÿ‘, here are links to (in๐Ÿงตโฌ‡๏ธ) all pertinent research papers, news articles, reports, thesis, event recordings, & podcasts โฌ‡๏ธ Image
๐Ÿ“† ๐€๐๐‘๐ˆ๐‹

๐Ÿšจ๐Ÿ†•๐ŸŒฑ rb.gy/zcw3p

๐ŸŒฑ rb.gy/dz7ea

๐ŸŒฑ rb.gy/ydck8

๐ŸŒฑ rb.gy/vn7g9

๐ŸŒฑ rb.gy/0rojj

2/6 Image
๐Ÿ“… ๐Œ๐€๐‘๐‚๐‡

๐ŸŒฑ rb.gy/1zjyz

๐ŸŒฑ rb.gy/2v54b

๐ŸŒฑ rb.gy/h1jwn

๐ŸŒฑ rb.gy/v1tmu

3/6 Image
๐Ÿ—“๏ธ ๐…๐„๐๐‘๐”๐€๐‘๐˜

๐ŸŒฑ rb.gy/38uts

๐ŸŒฑ rb.gy/wtx17

๐ŸŒฑ rb.gy/snz5h

๐ŸŒฑ rb.gy/ctmqt

4/6 Image
๐Ÿ—“๏ธ ๐‰๐€๐๐”๐€๐‘๐˜

๐ŸŒฑ rb.gy/badc1

๐ŸŒฑ rb.gy/1ywbw

๐ŸŒฑ rb.gy/xc0o3

๐ŸŒฑ rb.gy/9byhm

5/6 Image
If you want to keep updated with the latest #CarbonDioxideRemoval news, subscribe โžก๏ธrb.gy/0r86d

#DirectAirCapture ๐ŸŽ›๏ธ
#EnhancedWeathering ๐ŸŒฑ๐Ÿšœ
#OceanAlkalinityEnhancement ๐ŸŒŠ
#Afforestation ๐ŸŒณ๐ŸŒฒ
#OceanIronFertilization ๐ŸŒŠ
#Biochar ๐Ÿชจ
#BECCS ๐ŸŒฟ๐ŸŒพ๐Ÿฅœ

6/6 ImageImageImageImage

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More from @geoengineering1

Geoengineering Info Profile picture
Aug 3
๐Ÿ“๐Ÿ’ก๐–๐ž๐ž๐ค๐ฅ๐ฒ ๐‚๐ƒ๐‘ ๐‡๐ข๐ ๐ก๐ฅ๐ข๐ ๐ก๐ญ๐ฌ๐Ÿ’ก๐Ÿ“

๐Ÿ“ฐ Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (28 July - 03 August 2025):

๐Ÿ”—:

๐Ÿงต0/21
Germanyโ€™s 2026 draft budget allocated โ‚ฌ111 million for negative emissions in 2026 and a further โ‚ฌ320 million in subsequent years. A new federal department has also been set up to focus on carbon removal.


1/21linkedin.com/posts/dvne_cdrโ€ฆ
@HomeworldBio awarded ~$1.4M to 11 GGR projects via its Garden Grants, backing innovations like methane-eating microbes and enhanced rock weathering.


2/21homeworld.bio/blog/announcinโ€ฆ
Read 24 tweets
Geoengineering Info Profile picture
Aug 1
๐ŸšจHow does #SolarGeoengineering affect air pollution & public health?

New study using a cutting-edge Earth system model shows that #SAI has only modest effects on PMโ‚‚.โ‚… & ozone-related mortality & these impacts are mostly due to climate shifts, not aerosol deposition.๐Ÿงต1/8 Image
2/ Using CESM2-WACCM6 simulations across three scenarios (SSP2-4.5 baseline, ARISE-SAI-1.5, ARISE-SAI-1.0), the study quantifies global mortality attributable to ozone (Oโ‚ƒ) & fine particulate matter (PMโ‚‚.โ‚…) under future SAI deployment targeting 1.5ยฐC and 1.0ยฐC warming levels.
3/ Findings:

In the ARISE-SAI-1.5 scenario, maintaining global mean temp at 1.5ยฐC above pre-industrial levels via SAI results in:

- 1.26% reduction in ozone-related mortality

- 0.86% increase in PMโ‚‚.โ‚…-related mortality during 2060โ€“2069, relative to SSP2-4.5. Image
Image
Read 10 tweets
Geoengineering Info Profile picture
Jul 27
๐Ÿ“๐Ÿ’ก๐–๐ž๐ž๐ค๐ฅ๐ฒ ๐‚๐ƒ๐‘ ๐‡๐ข๐ ๐ก๐ฅ๐ข๐ ๐ก๐ญ๐ฌ๐Ÿ’ก๐Ÿ“

๐Ÿ“ฐ Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (21-27 July 2025):

๐Ÿ”—:

๐Ÿงต0/22
Chestnut Carbon secured up to $210M in non-recourse financing, led by J.P. Morgan for its afforestation project, marking a first-of-its-kind deal in the US carbon removal space.


1/22carbonherald.com/chestnut-securโ€ฆ
@MissionZeroTech won ยฃ6M from the UK government to advance design work for a DAC-enabled SAF plant in Cumbria, building on ยฃ1.38M in prior funding.


2/22missionzero.tech/lab-notes/uk-gโ€ฆ
Read 24 tweets
Geoengineering Info Profile picture
Jul 25
๐ŸšจScientists have discovered a common soil bacterium, Bacillus megaterium, that can rapidly remove CO2 from the atmosphere by transforming it into solid limestone (calcium carbonate) within 24 hours, without creating toxic byproducts.
#CDR #CarbonMineralization

DETAILS๐Ÿงต1/8 Image
2/ Microbially induced calcite precipitation (MICP) is a technique where microbes precipitate CaCOโ‚ƒ, often used in eco-friendly building materials.

Most MICP uses urease to break down urea, which produces ammonium, a problematic byproduct.
3/ Bacillus megaterium is unique in a sense, it contains both urease and carbonic anhydrase (CA) enzymes. The latter allows it to fix COโ‚‚ directly without needing urea.

But which pathway dominates? This study investigated that. Image
Read 9 tweets
Geoengineering Info Profile picture
Jul 22
๐Ÿšจ๐Ÿ—“Carbon Removal Events๐Ÿ—“๐Ÿšจ

Here's a list of what's coming up this week (22 July - 28 July 2025) in the field of #CarbonDioxideRemoval:

๐Ÿ”—:

๐Ÿงต1/11 teamup.com/kshqbfhrqkw36sโ€ฆImage
EVENTโ€”Food, Ag & Regen Farming + Biotech & Life Sciences Call by 4WARD

๐Ÿ—“23 July 2025 | Online
๐Ÿ”—

2/11circle.4ward.earth/c/events/food-โ€ฆ
EVENTโ€”The Future of Carbon: Technology vs. Nature-based Solutions by Centre for Climate and Business Solutions

๐Ÿ—“23 July 2025 | British Columbia
๐Ÿ”—

3/11lu.ma/gk1jsg18
Read 12 tweets
Geoengineering Info Profile picture
Jul 21
๐ŸšจSolar Geoengineering (#SRM) may seem cheap (~$18B/yr) to cool the planet, but when you factor in societal risks, political instability & sudden climate rebounds, the true cost may far exceed technical estimates from both moral & practical standpoints, says a new study.

๐Ÿงต1/11 Image
2/ SRM often gets touted as cheap even โ€œpennies per tonโ€ compared to the hundreds of $/ton needed for large-scale CDR.

But these estimates usually ignore the real-world costs of deploying SRM in a politically fractured and climate-damaged world.
3/ The authors outline four cost domains that traditional SRM estimates often miss:

1๏ธโƒฃ Compensation for harms
2๏ธโƒฃ International coordination
3๏ธโƒฃ Domestic political feasibility
4โƒฃ Termination Shock

Each could add major financial & political costs. Details below: Image
Read 12 tweets

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