Oil and gas will remain part of the energy mix for decades to come, but we must produce them as cleanly as possible.

我拥抱了夏日的黎明。

The melancholy science from which I make this offering to my friend relates to a region that from time immemorial was regarded as the true field of philosophy, but which, since the latter's conversion into method, has lapsed into intellectual neglect, sententious whimsy, and finally oblivion.

We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.

我们还没有学会思考，但我们正在学习。