Tilling also releases carbon dioxide from the soil into the atmosphere. No-till keeps carbon in the soil and avoids the release of heat-trapping gases from motorized equipment.

耕作还会将土壤中的二氧化碳释放到大气中，而免耕能够保持住土壤中的碳，并且避免机械设备释放吸热气体。

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Additional equipment carried over could also produce fertilizer, methane and oxygen using the atmosphere's natural elements of nitrogen, carbon dioxide and its surface of ice water.

带去的其他设备还可以用火星大气中天然的氮气、二氧化碳和表面的冰水制造出肥料、甲烷和氧气。

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"Another (new) method USES liquid carbon dioxide in high-pressure equipment," said Pat Slaven of Consumer Reports.

“另一位(新)方法使用液态二氧化碳在高压力的设备，说：”八斯拉消费者报告。

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Because of the very large amounts of capital tied up in homes, buildings, power plants and industrial and transportation equipment, gradually transitioning to a capital stock that emits less carbon dioxide is much less expensive than an abrupt change.

WSJ: The Experts: Should There Be a Price on Carbon Emissions?