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."
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"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 4
🚨 @UKRI_News & @NERCscience is investing £10 million in four NEW research projects, launching this month as part of a 5-year programme—Modelling Environmental Responses to Solar Radiation Management (#SRM)—to assess the risks, limitations & trade-offs of SRM.

DETAILS:🧵1/8 Image
2/ Project 1: Holistic Risk Assessment of SRM

Led by @imperialcollege, @BristolUni, @UniversityLeeds & @UniofExeter

The team will develop a new framework combining Earth system modelling with social & political analysis to better assess risks & trade-offs of SRM—especially #SAI
3/ Project 2:Marine CLOUD Brightening

Led by Uni of Exeter, Leeds, Reading, Manchester & Oxford

MACLOUD will model how spraying sea salt to brighten marine clouds could influence weather patterns, climate & ecosystems—looking closely at how cloud behavior changes at diff scales
Read 9 tweets
Apr 3
🚨🌋 A new UCLA-led study reveals surprising findings about the 2022 Hunga Tonga—Hunga Haʻapai underwater volcanic eruption. Despite fears it would push global temps past 1.5°C, it actually cooled the Southern Hemisphere by 0.1°C!

Here's why:🧵1/8
#SolarGeoengineering #Aerosols Image
2/ When Hunga Tonga erupted in January 2022, scientists expected the massive release of water vapor to trigger warming, but a key factor shifted: The eruption produced smaller sulfate aerosols that unexpectedly cooled the atmosphere!
3/ Traditionally, sulfate aerosols cool the Earth by reflecting sunlight, while water vapor warms it. The eruption's aerosols were 50% smaller than those from previous eruptions (like Pinatubo, 1991), which made them more efficient at cooling! Image
Read 9 tweets
Apr 1
🚨🗓CDR REMINDERS!🗓🚨

Here's a list of what's coming up this week (01 April - 07 April 2025) in the field of #CarbonDioxideRemoval:

🔗🗓️Link to the CDR Events Calendar:


#CDREvents #CDRJobs #Deadlines

🧵1/14 teamup.com/kshqbfhrqkw36s…Image
EVENT—What's moving in 2025: Actionable insights for an effective carbon credit strategy by @SylveraCarbon

🗓01 April 2025 | Online
🔗

2/14info.sylvera.com/webinar-whats-…
EVENT—Carbon Dioxide (CO2) Underground Storage: Technology, Uncertainties & Risks by Georgia Tech

🗓01 April 2025 | Online
🔗

3/14gatech.zoom.us/meeting/regist…
Read 17 tweets
Mar 31
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (24 March - 30 March 2025):

🔗:

🧵0/20
Stockholm Exergi announced its decision to build one of the world’s largest BECCS facilities, a $1.3B project set to remove ~800,000 tonnes of CO₂ annually and be operational by 2028.


1/20beccs.se/news/stockholm…
Enhanced rock weathering startup @EionCarbon secured $33M carbon removal offtake deal with Frontier to remove 78,707 tons of CO₂ (2027–2030) by applying olivine on U.S. Midwest and South farmland.

2/20
frontierclimate.com/writing/eion
Read 23 tweets
Mar 26
🚨How do political affiliations shape attitudes toward #SolarGeoengineering?🚨

A conjoint experiment with 2,123 US voters finds that partisanship outweighs message framing—meaning who delivers the message matters more than what the message says.

DETAILS🧵1/9 Image
2/ The discourse on SG as a climate solution is evolving, but public perceptions—especially in the polarized US landscape—remain underexplored. This study () examines how different narratives & partisan sources influence attitudes.nature.com/articles/s4416…
3/Researchers tested 3 SG narratives:

-Complementary: SG as an add-on to emissions cuts

-Substitutive: SG as a standalone climate solution

-Moral hazard: SG as a risky distraction

& the source(Democratic or Republican, researcher or podcaster) to simulate a realistic info env
Read 11 tweets
Mar 25
🚨🗓CDR REMINDERS!🗓🚨

Here's a list of what's coming up this week (25 March - 31 March 2025) in the field of #CarbonDioxideRemoval:

🔗🗓️Link to the CDR Events Calendar:


#CDREvents #CDRJobs #Deadlines

🧵1/15teamup.com/kshqbfhrqkw36s…
EVENT—Carbon Removal for Net Zero—From Science to Action by @gosupercritical

🗓25 March 2025 | London
🔗

2/15climate.gosupercritical.com/carbon-removal…
EVENT—Ocean Visions Biennial Summit 2025

🗓25-27 March 2025 | British Columbia
🔗

3/15oceanvisions.org/events/summit-…
Read 17 tweets

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