Glossary
Geopolitics of the energy transition

Capture and storage of CO₂; CO₂ capture and storage (CCS)

Process for capturing at least some of the CO₂ emitted into the atmosphere and reinjected into the subsoil for storage.

Greenhouse gases ; green house gases

Gases that absorb part of the radiation emitted by the Earth, thereby modifying the radiation balance and contributing to global warming.

Critical materials ; critical raw materials

Raw materials at risk of supply shortages and playing an important role in the value chain.

Energy mix ; energy mix

Breakdown of primary energy sources.

Carbon neutral ; carbon neutrality

Zero carbon emissions (removal of carbon from the atmosphere at least equal to emissions).

Rare earths ; rare earths

A group of metals with limited availability, but increasingly used in new technologies.

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