CA: One of the questions from the audience is, with fracking and the natural gas process, what about the problem of methane leaking from that, methane being a worse global warming gas than CO2?
CA：有一个问题是观众提出来的 是，随着水力压裂技术的发展和天然气使用的过程中 那么甲烷的泄漏问题怎么解决 而且甲烷会是个 比CO2更严重的问题?