That sense of urgency has increased interest in capturing and storing CO2, which the IPCC says could provide the more than 50% reduction in emissions thought needed to reduce global warming.

Some propose storing the CO2 in coal mines or liquid storage in the ocean, Shell favors storing CO2 in deep geological structures such as saline(鹽的) formations and exhausted oil and gas fields that exist throughout the world.

Independence came in tying, wrapping, storing, harmonizing, and rationalizing that wardrobe.