So far, renewables account for a small share of its energy supply, although the overall target is a 15% share of total energy by 2020.

尽管到2020年的目标是可再生能源能源占总能源的15%，但是到目前为止，可再生能源只占很小的一部分。

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A still cleaner shift of direction, however, would entail an overall target to limit energy use-and by association set a peak for carbon emissions.

还有一个更绿色的转变，然而，这需要制定一个总体目标——设定一个碳排放上限，以限制能源的使用。

youdao

A still cleaner shift of direction, however, would entail an overall target to limit energy use-and by association set a peak for carbon emissions.

还有一个更绿色的转变，然而，这需要制定一个总体目标——设定一个碳排放上限，以限制能源的使用。

youdao