In the meantime, the amount of CO2 in the air is rapidly approaching the limits proposed by the Intergovernmental Panel on Climate Change (IPCC).

与此同时，空气中的二氧化碳含量正迅速接近政府间气候变化专门委员会（IPCC）提出的上限。

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Figuring out the amount of added sugar in foods is tricky because it is not listed on the Nutrition Facts Panel of packaged foods.

计算出食品中额外糖分的含量是很困难的，因为它没有在包装食品的营养标示面板上标注。

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By decreasing the amount of light that is reflected from a solar panel, nanostructures will enable more solar energy to be converted into electricity.

通过减少从太阳能面板上反射的光量，纳米结构可以转化更多的太阳能至电能。

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In reaching its recommendations, the panel agreed attitudes towards the amount of accountability and openness expected in public life had changed dramatically since the 1960s.

BBC: Secret papers face faster release

Equally vexing, if you use a lens to concentrate energy on a solar panel this significantly raises the amount of energy produced (a very good thing), but this also raises the temperature considerably (a bad thing).

FORBES: The Future of Power: The Low-Tech Solution To Our High-Energy Problem

Nowhere is the waste issue more evident than in California, where landmark regulations approved in the 1970s require industrial plants like solar panel makers to report the amount of hazardous materials they produce, and where they send it.

NPR: Solar Industry Grapples With Hazardous Wastes