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1·We do not know whether lower carbon footprints will always be better for biodiversity.

我们不知道低碳足迹是否总是有利于生物多样性。

2·In response, her approach helps people understand their carbon footprints and recognizes the key role that psychology and emotion play in behavior change.

作为回应，她的方案不仅帮助人们了解他们的炭足迹，而且注意到心理学和情感在人们行为改变中起到的关键性作用。

3·For one thing, their carbon footprints are bigger.

一方面，他们的二氧化碳排放量较大。

4·And (unlike China or Brazil) their own carbon footprints are tiny.

他们(不像中国和巴西)碳足迹并不浓重。

5·Carbon labels promise to make carbon footprints and carbon flows visible.

碳标签将会使碳足迹和碳流动变得有形可见。

6·Or are there more pressing issues than worrying about the size of homes' carbon footprints?

是否还有比担心房屋的碳足迹更紧迫的问题呢？

7·With Americans looking to reduce their carbon footprints, food seems an obvious place to start.

当美国人试图减少他们的“碳足迹”(carbon footprints)时，显而易见要从食品入手。

8·The very rich are different from you and me. For one thing, their carbon footprints are bigger.

非常有钱的人和你我不同，因为他们的碳足迹更大。

9·Businesses with small carbon footprints, such as Banks and retailers, promised to go carbon-neutral.

碳排量不大的部门，如银行业和零售业，则承诺实施碳中和。

10·I'm very proud that I'm sequestering carbon dioxide-enough to offset our carbon footprints for a lifetime.

我感到很自豪，我种植的植物吸收的二氧化碳足以抵消我们一辈子排放出的二氧化碳。