If you have to travel and you want to make as little impact as possible on the climate, your best bet is to go by train, bus or even ship, found a new study. Airplanes are the next best option.

如果你想出游并且尽量减少对气候的影响，你的最佳选择就是乘火车，公共汽车，或者乘船，据一项新的研究发现，飞机是稍次的选择，自驾车最差。

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And a new study shows that biochar could have an impact on agriculture's other greenhouse gas emission: nitrous oxide, or laughing gas, which is no laughing matter when it comes to climate change.

一项最新研究表明生物炭对诸如一氧化二氮、笑气之类由农业生产造成的温室气体排放可能会产生影响，这些气体的排放对气候变化来说可不是什么好事。

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Climate model High levels of carbon dioxide in the atmosphere may have less of an impact on the rate of global warming than feared, a new study suggests.

一项新的研究表明，大气中二氧化碳含量增多可能不会造成全球气候变暖，而只单单引起恐慌。

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He announced a study from the Department for Energy and Climate Change (DECC) chief scientist David McKay on the impact of shale gas on climate change.

BBC: Gas fracking: Ministers approve shale gas extraction