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."
5/10 Image
"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)."
6/10 Image
"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."
7/10 Image
"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."
8/10 ImageImage
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

Jun 8
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (02 June - 08 June 2025):

🔗:

🧵0/21
@capture_air raised $50M in Series A funding to scale its California-based DAC tech.

1/21
carbonherald.com/aircapture-sec…
UK fintech Wise pledged £500K to support nature-based and hybrid CDR in Latin America and Asia-Pacific.



2/21carbon-pulse.com/404067/
Read 24 tweets
Jun 6
🚨A new study has revealed for the first time that ancient carbon, stored in landscapes for thousands of years or more, can find its way back to the atmosphere as CO₂ is released from the surfaces of rivers at a rate of 1.2 billion tonnes per year.

Details🧵1/8 Image
2/ To understand the true source of river CO₂, researchers compiled a global dataset of 1,195 radiocarbon measurements of dissolved inorganic carbon (DIC), CO₂ & CH₄ from rivers & streams.

This let them determine whether the emitted carbon was modern—or much older. Image
3/ Using radiocarbon signatures (¹⁴C), they found that 59% of river CO₂ emissions come from "old" C—millennia-old soil carbon & even petrogenic carbon (rock-derived, >55,000 years old)

Only ~41% came from recent biological sources like plants & microbes (decadal carbon). Image
Read 9 tweets
Jun 3
🚨🗓Carbon Removal Events Calendar by Andrew Lockley!🗓🚨

Here's a list of what's coming up this week (03 June - 09 June 2025) in the field of #CarbonDioxideRemoval:

🔗:

🧵1/13 teamup.com/kshqbfhrqkw36s…Image
EVENT—Carbon Removal Summit: Business Value in a Shifting Landscape by CUR8 Events

🗓03 June 2025 | London, England
🔗

2/13lu.ma/hn94fhf4
EVENT—Mastering Carbon Credit Contracts for Corporate Buyers and Suppliers by Ceezer

🗓03 June 2025 | Online
🔗

3/13insight.ceezer.earth/mastering-carb…
Read 14 tweets
Jun 1
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (26 May - 01 June 2025):

🔗:

🧵0/21
Gresham House raised £500M to expand UK forestry and carbon removal, targeting 4.7M tonnes of CO₂ via nature-based credits.

1/21
esgnews.com/gresham-house-…
Biochar firm TOWING raised ¥1.94B (~$12M) in Series B to scale its high-performance carbon removal tech.

2/21
prtimes.jp/main/html/rd/p…
Read 23 tweets
May 29
🚨A NEW study explores a theoretical #geoengineering approach to combat global warming — by altering Earth’s orbit.

Simulations suggest that shifting Earth ~5.8% farther from the Sun could cool the planet by roughly 7K, effectively offsetting projected warming.

DETAILS🧵1/10
2/ Climate models suggest global temperatures could rise by 7K by 2100, driven by greenhouse gas emissions.

This study asks: what if, instead of changing the atmosphere, we changed our position in space?
Specifically: increase Earth’s orbital radius.
3/ Basically, the paper builds on the science of Milankovitch cycles which is slow, natural variations in Earth’s orbit and tilt that have triggered past ice ages.

These cycles show that even slight orbital changes can dramatically affect climate. Image
Read 12 tweets
May 28
🚨What’s ahead in #SolarGeoengineering?🚨

From research proposal deadlines to online events, in-person conferences, and job alerts — our SRM Events Calendar is packed with all key updates.

🔗:

Here’s what’s coming up in the SRM field:🧵1/13 teamup.com/ks64mmvtit583e…Image
CALL FOR RESEARCH PRESENTATION PROPOSAL—RFF and the Harvard Solar Geoengineering Research Program invite individuals to present research at their upcoming workshop

🗓Deadline: 30 May 2025
🔗

2/13rff.org/events/confere…
EVENT—Climate Intervention Virtual Symposia #18

🗓30 May 2025 | Online
🔗

3/13sites.google.com/view/solargeo-…
Read 14 tweets

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