The new kid on the energy block, shale gas, may be worse in climate change terms than coal, a study concludes.
一项研究指出：作为能源家族的新成员，页岩气对气候变化的影响高于煤炭。
2
A gas hydrate (methane clathrate) block embedded in the sediment of hydrate ridge, off Oregon, USA. Click to enlarge this image.
一块气体水合物（甲烷格状物）嵌入在水合物脊沉淀物中，位于美国俄勒冈州沿海。
3
BP officials say the static kill is the first step in a two-part operation that involves filling the well pipe with cement to block the release of oil and natural gas.