Guardian: Sam Laidlaw, chief executive of Centrica, has warned that coal plants fitted with carbon capture storage (CCS) equipment are unlikely to be ready to make big cuts in Britain’s emissions before 2030. The country’s geology is not suited to the technology, which is expensive and unproven, he said. This meant it would take “at least 15 years and probably closer to 20 years” before companies were in a position to deploy the technology on a large scale. This week, energy and climate …