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Learning and Inferring Multiphase Flow Dynamics in Porous Media using Scientific Machine Learning: Application to the "FluidFlower" CO2 Injection Experiment
Announce Type: replace Abstract: Accurate prediction and parameter identification of multiphase flow in porous media remain central challenges in geological carbon dioxide storage due to strong nonlinearities, high-dimensional parameter spaces, and limited observational data. We present a machine learning framework that integrates surrogate modeling and Bayesian inference to enable efficient forward prediction and inverse parameter estimation for CO2-brine flows in geological media. The...
Learning and Inferring Multiphase Flow Dynamics in Porous Media using Scientific Machine Learning: Application to the "FluidFlower" CO2 Injection Experiment
arXiv:2606.05448v1 Announce Type: new Abstract: Accurate prediction and parameter identification of multiphase flow in porous media remain central challenges in geological carbon dioxide storage due to strong nonlinearities, high-dimensional parameter spaces, and limited observational data. We present a machine learning framework that integrates surrogate modeling and Bayesian inference to enable efficient forward prediction and inverse parameter estimation for CO2-brine flows in geological...
The German town where locals spend play money to cut CO2
The German town where locals spend play money to cut CO2 June 1, 2026Walk into a bakery or a bookshop in Bavaria's Chiemgau region, and you might spot a customer paying with what looks like play money — colorful banknotes printed with grasshoppers, ladybugs and other insects. "An estimated 10 to 15% of customers pay this way," one bookseller told DW. The locals call it the "Chiemgauer" — and it's a currency they invented themselves.
German town prints its own cash to cut CO2 emissions
German town prints its own cash to cut CO2 emissions June 1, 2026Walk into a bakery or a bookshop in Bavaria's Chiemgau region, and you might spot a customer paying with what looks like play money — colorful banknotes printed with grasshoppers, ladybugs and other insects. "An estimated 10 to 15% of customers pay this way," one bookseller told DW. The locals call it the "Chiemgauer" — and it's a currency they invented themselves.
Non-Equilibrium Stratification in Supercritical CO2
Announce Type: replace Abstract: The supercritical state of matter is usually described as a continuous phase without sharp boundaries between liquid and gas regions. However, under non-equilibrium conditions, this view breaks down. Here we report an experimental investigation of non-equilibrium fluctuations in supercritical carbon dioxide (CO2) subjected to a stabilising temperature gradient.
UK urged not to further weaken EV rules as CO2 impact revealed
British vehicles will emit extra 17m tonnes of CO2 by 2030 due to loophole allowing sale of more PHEVs, data suggestsCampaigners have urged the government to resist calls to further water down electric car sale rules, as an analysis reveals that vehicles on UK roads will emit an extra 17m tonnes of carbon dioxide by 2030 mostly because of changes last year. Parts of the car industry have urged ministers to review for a second time the rules that force manufacturers to sell increasing numbers...
UK urged not to further weaken EV rules as CO2 impact revealed
British vehicles will emit extra 17m tonnes of CO2 by 2030 due to loophole allowing sale of more PHEVs, data suggestsCampaigners have urged the government to resist calls to further water down electric car sale rules, as an analysis reveals that vehicles on UK roads will emit an extra 17m tonnes of carbon dioxide by 2030 mostly because of changes last year. Parts of the car industry have urged ministers to review for a second time the rules that force manufacturers to sell increasing numbers...
First test of CO2 removal with green sand finds no harm to marine life
Adding olivine to the ocean could remove CO2 from the atmosphere, and a pilot project in New York state found no signs of adverse effects on seafloor organisms
Looking Inside the Widom Region: Non-Equilibrium Stratification in Supercritical CO2
Announce Type: replace Abstract: The supercritical state of matter is usually described as a continuous phase without sharp boundaries between liquid and gas regions. However, under non-equilibrium conditions, this view breaks down. Here we report an experimental investigation of non-equilibrium fluctuations in supercritical carbon dioxide (CO2) subjected to a stabilising temperature gradient.
UK urged not to further weaken EV rules as CO2 impact revealed
British vehicles will emit extra 17m tonnes of CO2 by 2030 due to loophole allowing sale of more PHEVs, data suggestsCampaigners have urged the government to resist calls to further water down electric car sale rules, as an analysis reveals that vehicles on UK roads will emit an extra 17m tonnes of carbon dioxide by 2030 mostly because of changes last year. Parts of the car industry have urged ministers to review for a second time the rules that force manufacturers to sell increasing numbers...