With the speed of urbanization, the variation of environmental heat factors is obvious.

随着城市化速度的加快，热环境诸因素的变化也更显著。

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So why shouldn't we use this heat," says Klas Johnasson, head of Jernhusen's environmental division.

所以我们为何不去利用这些热量呢？” 耶恩胡森集团环境部门负责人克拉斯 约翰松说道。

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So why shouldn't we use this heat, " says Klas Johnasson, head of Jernhusen's environmental division.

所以我们为何不去利用这些热量呢？” 耶恩胡森集团环境部门负责人克拉斯 约翰松说道。

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The logical implication of this cost-benefit calculus is that solar energy should receive considerably less support from environmental advocates than more mundane technologies like combined heat-and-power or district energy.

FORBES: Why Solar Energy Sucks But May Save Us Anyway

Nonetheless, high levels of PM 2.5 particles are in the air due to rapid industrialization, more vehicles, coal burning for heat and power, and lax enforcement of environmental regulations.

FORBES: Air Quality In China

The resort prides itself on its environmental initiative, which has led to the generation of clean electricity from geothermal heat produced by the hot spring.

CNN: 'Dancing lights' draw thousands to frozen north