Geoengineering Info Profile picture
May 8, 2023 10 tweets 8 min read Read on X
🚨NEW STUDY🚨
"Six models are used in a recent study to analyze the climatic, environmental & socio-economic consequences of #overshooting a C budget consistent with the 1.5°C temp target along the cause-effect chain from emissions & #CarbonRemovals to climate risks & impact."
🧵 Image
"Global climatic indicators such as CO2-concentration and mean temperature closely follow the #CarbonBudget #overshoot with mid-century peaks of 50 ppmv and 0.35°C, respectively."
2/10
Findings of this study highlight that "investigating #overshoot scenarios requires temporally and spatially differentiated analysis of climate, environmental and socioeconomic systems."
3/10
Researchers find "persistent and spatially heterogeneous differences in the distribution of #carbon across various pools, ocean heat content, sea-level rise as well as #economic damages."
4/10 ImageImage
"Moreover, it was find in the study that key impacts, including degradation of marine ecosystem, heat wave exposure & economic damages, are more severe in equatorial areas than in higher latitudes, although absolute #temperature changes are stronger in higher latitudes."
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"The detrimental effects of a 1.5 °C warming and the additional effects due to #overshoots are strongest in non-OECD countries (Organization for Economic Cooperation and Development)."
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"Constraining the overshoot inflates CO2 prices, thus shifting #CarbonRemoval towards early #afforestation while reducing the total cumulative deployment only slightly, while mitigation costs increase sharply in #DevelopingCountries."
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"Thus, scenarios with C budget overshoots can reverse global mean temp increase but imply more persistent & geographically heterogeneous impacts. Overall, the decision about #overshooting implies more severe trade-offs btw #mitigation & impacts in #DevelopingCountries."
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Read the study led by @NB_pik entitled: "Exploring risks and benefits of overshooting a 1.5 °C carbon budget over space and time" here ⬇️
iopscience.iop.org/article/10.108…

#CarbonDioxideRemoval
#Overshoot

9/10 Image

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More from @geoengineering1

Apr 25
🚨A recent field study conducted over the Great Barrier Reef has provided key insights regarding sea spray aerosols (SSA).

For the first time, it shows that SSA can reach the cloud base height, advancing Marine Cloud Brightening (#MCB) research.

DETAILS🧵1/8 Image
2/ MCB is a proposed climate intervention that aims to reflect more sunlight by enhancing marine clouds.

The concept relies on artificially generated sea spray aerosols (SSA) at the ocean surface and their transport in sufficient quantities to low-level maritime clouds.
3/ A portion of the SSA that reaches cloud height can act as additional cloud condensation nuclei and modify cloud microphysical properties, potentially reducing the amount of solar radiation reaching the sea surface.
Read 9 tweets
Apr 23
🚨A new 3-year study found that by combining crushed rock + compost + biochar could remove 51.7 million tons of CO₂e/year—just by treating 8% of California’s rangelands.
#ERW #CDR #biochar

Here’s the details:🧵1/9 Image
2/ Researchers spread finely crushed metabasaltic rocks across test plots in Browns Valley, California, in each of 3yrs.

Along with the crushed rock, some of the applications included compost or a combination of compost & biochar (burned pine & fir left over from local logging). Image
3/ Other plots were treated with only compost, and a group of control plots received no treatment.

Throughout the year, the team monitored each plot for levels of soil organic and inorganic carbon, pore water dissolved carbon, aboveground biomass, and greenhouse gas emissions.
Read 10 tweets
Apr 20
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (14 April - 20 April 2025):

🔗:

🧵0/18
Microsoft has entered into the world’s largest carbon removal agreement, securing a 15-year contract to purchase 6.75 million metric tons of permanent CDR from AtmosClear, a subsidiary of Fidelis, utilizing BECCS technology.

1/18
reuters.com/sustainability…
Occidental Petroleum has acquired carbon removal startup @holoceneclimate, marking its second direct air capture acquisition in two years. The deal was made through its low-carbon arm, Oxy Low Carbon Ventures, for an undisclosed amount.

2/18
heatmap.news/climate-tech/o…
Read 21 tweets
Apr 18
🚨🗓We launched the first-of-its-kind Solar Geoengineering Events Calender last year, to create the go-to public resource for anyone tracking key events in #SRM. From conferences to job deadlines, we update it regularly.

🔗

Here’s what’s coming up:🧵1/15 teamup.com/ks64mmvtit583e…Image
EVENT—Geoengineering & Climate Intervention: Unconference + Drinks by Emma K & SF Climate Week

🗓20 April 2025 | San Francisco, California
🔗

2/15lu.ma/huhghe6g
EVENT—Earth System Intervention Roundtable by ClimateImpact Calendar

🗓22 April 2025 | California
🔗

3/15lu.ma/earthsystemint…
Read 16 tweets
Apr 15
🚨🗓CDR REMINDERS!🗓🚨

Here's a list of what's coming up this week (15 April - 21 April 2025) in the field of #CarbonDioxideRemoval:

🔗🗓️Link to the CDR Events Calendar:


#CDREvents #CDRJobs #Deadlines

🧵1/12 teamup.com/kshqbfhrqkw36s…Image
EVENT—This is CDR: Tropical Scale, Global Impact - NetZero’s Bold Biochar Vision for Brazil by @openaircollect

🗓15 April 2025 | Online
🔗

2/12lu.ma/a9ds7z4y
EVENT—Nellie Show & Tell. A Carbon Dioxide Removal Discovery Day by Nellie Technologies

🗓16 April 2025 | United Kingdom
🔗

3/12eventbrite.co.uk/e/nellie-show-…
Read 13 tweets
Apr 13
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (07 April - 13 April 2025):

🔗:

🧵0/21
CO280 signed a landmark 3.69 million tonne agreement with Microsoft over 12 years to scale-up carbon dioxide removal in the us pulp and paper industry.

1/21
prnewswire.com/news-releases/…
Occidental and its subsidiary 1PointFive have secured the first-ever Class VI permits issued by the U.S. Environmental Protection Agency for sequestering CO2 from direct air capture operations.

2/21
eenews.net/articles/epa-i…
Read 24 tweets

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