Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us, from asteroid strike to epidemic flu and to climate change.

现如今，这种乌托邦空想已经过时了，我们对所面临的威胁有了更深刻的认识，从彗星撞击到流行感冒，再到气候变化。

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From climate change to the ongoing pandemic and beyond, the issues facing today's world are increasingly complex and dynamic.

从气候变化到持续存在的大流行病以及其它问题，当今世界面对的问题越来越复杂多变。

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A: the issue of climate change is a major challenge facing the entire human race.

答：气候变化问题是全人类面临的重大挑战。

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The group says climate change is one of the greatest threats facing wildlife and nature.

VOA: special.2010.03.22

With the North Atlantic Treaty Organization facing divisions over the war in Afghanistan and advanced economies struggling for a united approach on climate change, the Secretary of State urged alliance states to again summon the resolve and idealism that won the Cold War.

VOA: standard.2009.11.09

Many communities, particularly in the Pacific, are already facing the first impacts of climate change.

UNESCO: Natural Science

By supporting this promising and courageous democracy with the right economic tools and technical assistance to protect these forests, we will not only be helping Liberia, but a global community facing the unprecedented challenge of climate change.

BBC: NEWS | Science/Nature | Seeing the carbon for the trees

Many young farmers facing land scarcity and the effects of climate change lack even basic skills needed to protect themselves and stay afloat.

UNESCO: EDUCATION FIRST