对于二氧化碳等温室气体，当前我们只能用节能减排的传统方式进行限制。
For carbon dioxide and other greenhouse gases, currently we can only limit in a traditional way to energy conservation and emissions reduction.
纯素食主义可能并不受欢迎，但对于二氧化碳和甲烷排放来说，它的减排作用非常大。
Veganism might not be popular, but it can make a big difference to CO2 and methane emissions.
我们只有通过改变全球民众对于二氧化碳排放的态度，才能减轻这一威胁对我们造成的影响。
We only change people's attitude about emissions of carbon dioxide to reduce the effect of this threat.
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