Membranes for CO₂ capture and hydrogen production. Metal-organic frameworks as molecular gas cylinders for CO₂ capture. CO₂ capture technologies 3 – absorption. CO₂ capture technologies 4 – adsorption. CO₂ capture technologies 5 - membranes, cryogenic, looping cycles. CO₂ conditioning. CO₂ transport; different ways of CO₂ transport, CO₂ properties under transport conditions, impurities present in CO₂ streams from different generation/capture systems, effects of impurities on CO₂ compression and transport, risks associated with CO₂ transport. Market potential and technical barriers for membranes for CO₂ capture and hydrogen production.