爱思英语编者按：9月23日，联合国气候峰会在纽约联合国总部举行。莱昂纳多·迪卡普里奥与李冰冰作为代表在开幕式上发表英文致辞。

莱昂纳多是新任的联合国和平大使，李冰冰则是联合国环境规划署亲善大使，两人均在当天的会议上发表了动人的演说，号召每个人都应该关注环境污染、气候变化等全球性问题，直言各国政府和工业组织更应该立即采取行动保护环境。

Li Bingbing delivers speech at UN Climate Summit

Li Bingbing (front), actress and UN Environment Programme Goodwill Ambassador, speaks during the opening ceremony of the Climate Summit at the UN headquarters in New York, on Sept 23, 2014. The one-day summit, convened by UN Secretary-General Ban Ki-moon, is expected to galvanize global action on climate change.

Leonardo DiCaprio (front), actor and UN Messenger of Peace, speaks during the opening ceremony of the Climate Summit at the UN headquarters in New York, on Sept 23, 2014. The one-day summit, convened by UN Secretary-General Ban Ki-moon, is expected to galvanize global action on climate change.