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While alternative estimates of the damage from carbon emissions differ, and it's especially hard to reckon the likely costs of possible catastrophic climate events, most estimates suggest substantial negative effects.
出自-2017年6月阅读原文
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Unless renewables become cheap enough that substantial carbon deposits are left underground for a very long time, if not forever, the planet will likely be exposed to potentially catastrophic climate risks.
出自-2017年6月阅读原文
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It is urgent for governments to increase the cost of using fossil fuels to an appropriate level to lessen the catastrophic effects of climate change.
出自-2017年6月阅读原文
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These catastrophic events caused more than 1.5 trillion dollars in economic losses.
出自-2016年6月听力原文
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Disaster movies often portray catastrophes that destroy, or at least threaten to destroy earth's entire population.
出自-2013年6月听力原文
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To prevent that event from becoming a catastrophe, first responders will join members of the public in rehearsals that involve communication, evacuation, search and rescue, and other scenarios.
2019年12月六级真题（第一套）阅读 Section C