作为峰会的一部分，全国各地的数百所学校签署了“让我们走向零碳”这一活动，旨在2030年之前实现零碳排放。

As part of the summit, hundreds of schools across the country are signing up to the Let's Go Zero activity, aiming to become carbon-zero by 2030.

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他们同意在2030年前将海运的碳排放量减少40%，并预计到2050年实现零碳海运。

They agreed to cut carbon emissions from shipping by 40 percent by 2030. And by 2050, they expect zero carbon shipping.

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“零碳学校”是指那些承诺在七个方面停止碳排放的学校，包括获取食物的地方，以及使用水和回收废物的方式。

Carbon-zero schools are ones that promise to stop emitting carbon in seven areas, including where they get their food and how they use water and recycle their waste.

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If we look at our last structure here where we have nitrogen the middle, we can also figure out all those formal charges, and in this case we have plus 1 on the nitrogen, we have minus 2 on the carbon, and then we end up with a 0 on the sulfur there.

如果我们来看看最后一个结构,在中间的原子是氮，我们同样可以计算出所有的形式电荷，而在这种情况下，氮为正一，碳为负二，而最后硫为零。

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