The road towards peace is never plain. To strive for peace is the historical responsibilities on our shoulder.

通向和平的道路从来都不是平坦的，争取实现和平是我们承担的历史责任。

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'Developed countries should recognize the reality of their historical responsibilities and their large per-capita emissions,' he said.

他说，发达国家应正视自己的历史责任和高人均排放现实。

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He added that in addressing climate change, the international community must not "turn a blind eye to historical responsibilities, per capita emissions and different levels of development".

BBC: President Obama warns leaders over climate summit deal

In free societies, the media's primary responsibilities are to report current events to the public, place those events into an historical context to enable the public to understand how and why they occurred and to present the public with the options for going forward.

CENTERFORSECURITYPOLICY: The Obama effect