You might have to pump and purify your drinking water.

你可能要和你净化饮用水泵。

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To put that figure in context, Iannelli says that the energy required to pump freshwater from underground (which, he says, is the most common source of drinking water in the West) typically produces just over 1.5 tonnes of CO2 per million gallons.

CNN: Counting the carbon cost of bringing water to the desert