Japan's Inpex to test undersea CO2 storage near Tokyo in green steel push

Inpex's drilling rig near Kujukuri, Chiba prefecture will be used to assess the suitability of the seafloor for CO2 storage. (Photo by Takashi Miyazaki)RYUNOSUKE OURA and SHOYA OKINAGAJuly 23, 2026 02:32 JSTTOKYO -- Japanese energy giant Inpex will begin trial drilling for a carbon capture and storage project on the seafloor off the coast of the Chiba prefecture near Tokyo. TOKYO -- Japanese energy giant Inpex will begin trial drilling for a carbon capture and storage project on the seafloor off the coast of the Chiba prefecture near Tokyo.

TOKYO -- Japanese energy giant Inpex will begin trial drilling for a carbon capture and storage project on the seafloor off the coast of the Chiba prefecture near Tokyo. Read NextEnergyJapan's Inpex breaks ground on $21bn Indonesia LNG projectClimate ChangeJapan's JGC bets on carbon-feeding bacteria to create bioplasticsPolicy AsiaChina's hydrogen push outstrips Japan's in new fuel raceBusiness dealsJapan's Sumitomo joins US project to bury carbon in form of rice hullsClimate ChangeTaiwan collects carbon levies from major emitters for first timeOpinionClimate finance in Asia may be doing more harm than goodEnergyAustralian unions reach deal with Inpex to end LNG strikesLatest on CompaniesCompaniesNippon Steel acquisition of U.S.

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