Privately held Venture Global LNG Inc. has unveiled plans to capture and sequester up to 1 million tons of carbon dioxide (CO2)/year from its sites in Louisiana, making it the latest liquefied natural gas (LNG) developer to turn to carbon capture and sequestration (CCS) as a way to lower its emissions profile.

Arlington, VA-based Venture Global said Thursday it had already concluded a “comprehensive engineering and geotechnical analysis” ahead of launching the CCS project. The development would transport compressed CO2 from its Calcasieu Pass and Plaquemines LNG sites and inject it “deep into subsurface saline aquifers where it will be permanently stored.”

The project would make Venture Global’s Calcasieu Pass export facility, currently under construction and expected...