Agence France-Presse: The German government cleared the way on Wednesday for pilot projects to test the viability of siphoning off carbon dioxide churned out by coal power stations and storing it deep underground. The technology, known as Carbon Storage and Sequestration (CCS), aims to store the CO2 in geological chambers such as disused oilfields, rather than letting it escape into the atmosphere where it contributes to global warming. Supporters say that with the large majority of the world’s …