Thousands of mostly teenage boys have fled their country to embark on a 10,000-mile trek to Europe in search of a better life. Anderson Cooper reports. (RT @nordbergj: Largest child migration of our time: Afghan boys smuggled through Europe.
China urgently needs new sources of energy, but is shale gas the way forward? As the government prepares to launch a new auction of drilling rights, Xu Nan and Wang Haotong look at the debate within China.