Some Palestinians, he said, pump their own water through illegal wells, with no regulations in place to prevent sewage from seeping into the water source.

事实上，他们已经开始从那些非法挖掘的水井中取水了。 更槽糕的事情是，大量的生活污水因此开始进入并严重污染了地下水源，而当地还没有制定相应的法律法规来制止这些行为。

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Because of having high efficiency, energy saving, little effect on environment and steady operation, water source heat pump and ground source heat pump are promising in Guiyang.

水源热泵和地源热泵由于具有高效节能、对环境影响小、运行稳定等特点，在贵阳地区很有发展前途。

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Therefore, use of water source heat pump is clean and renewable energy as a technology.

所以说，水源热泵利用的是清洁的可再生能源的一种技术。

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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