Travel does not have to cost the Earth - or even money.

旅行并不一定要消耗地球资源，甚至钱。

The risk is that such criteria could be used to justify rules that cost the earth.

然而，该法规的风险在于，这样的标准可能被用于评定开支巨大的规定的合理性。

The eco-light is good for earth, and it's cost-effective and convenient, because it doesn't have to be changed every few months.

环保灯对地球来说是好的，而且它很省钱、方便，因为它不需要每隔几个月就更换一次。

We’re going to pay for it later as the rising cost of polluting our earth and heating up our climate comes to collect its toll.

为了治理地球上的环境污染和温室效应，我们将支付更多的后续成本，这些成本也许高昂得难以计算。

These will be the low-cost producers, and low-cost producers will inherit the earth.

这些都有助成为低成本生产商，而低成本生产商将与生俱来。