Bound to two atoms of oxygen, it creates carbon dioxide, the chief greenhouse gas that has kept our planet warm for billions of years - and is now, thanks to human activity, making us too warm.
碳原子和两个氧原子相结合组成了二氧化碳，是数十亿年来保持我们地球温度的重要温室气体。但是近些年来由于人类的活动，地球温度不断上升，导致温度过高。
Although many sources of gas are already bound up in long-term contracts, optimists think Britain might be able to get more of it fairly easily.
尽管许多天然气的来源在长期合同中受到限制，乐观主义者认为英国仍有能力轻易获得更多的天然气来源。
It has become even more crucial as a potential transit route for Europe-bound natural gas from energy-rich Azerbaijan and Central Asia, as well as from Iraq (and eventually Iran).
土耳其可能会承担起输气任务，从能源丰富的阿塞拜疆，中亚，以及伊拉克(最远可至伊朗)将天然气输入欧洲，这使得它的地位更加重要。
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