经过数十年，对可再生石油储量的一致估计竟几乎翻了一番。

Over recent decades, the consensus estimates of the amount of recoverable oil on the planet have roughly doubled.

youdao

报告没有包括沿海新的石油和天然气储量的预计，而对现有资源的估计也是基于25年前的老旧的地震学研究数据。

It includes no new estimates of potential oil and gas reserves offshore and notes that some of the existing estimates are based on 25-year-old seismic studies.

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北极被估计保有全球石油储量的15%以及天然气储量的30%。

The Arctic is reckoned to hold around 15% of the world's undiscovered oil reserves and 30% of those of natural gas.

youdao