Most of the science of climate change, particularly that to do with global warming, is simply a fact. But other aspects of the science are less certain or at least more disputed.
大多数关于气候变化的科学，尤其是有关全球变暖的科学，都只是事实。但科学的其他方面就不那么确定无疑了，或者至少争议更大。
Most of the science of climate change, particularly that to do with global warming, is simply fact. But other aspects of the science are less certain or at least more disputed.
大多数关于气候变化的科学，尤其是有关全球变暖的科学，都只是事实。但其他方面的科学就不那么确定了，或者至少争议更大。
And I think we are seeing almost weekly, or even daily, scientists are coming forward and questioning the original idea that man-made global warming is what is causing the climate to change.
我想，几乎每周，甚至每天我们都可以看到有些科学家挺身而出，对认为全球暖化引起气候变化的原始观点提出疑问。
If global warming, or long-term climate change, does increase the year-around temperature here just a few degrees, John Hart predicts, in decades to come, flowers could be crowded out by sagebrush.
JohnHart预测，如果全球变暖或者长期的气候变化导致这里的全年平均气温升高几度，未来的几十年之内，鲜花会被山艾树吞噬。
If global warming, or long-term climate change, does increase the year-around temperature here just a few degrees, John Hart predicts, in decades to come, flowers could be crowded out by sagebrush.
JohnHart预测，如果全球变暖或者长期的气候变化导致这里的全年平均气温升高几度，未来的几十年之内，鲜花会被山艾树吞噬。
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