And due to concerns about waste disposal and proliferation, they also left out carbon-free electricity generation by nuclear power, which currently provides about 6 percent of world energy.

同时因为关心废物处理和增殖，他们还忽略了目前占世界能源6%的核能无碳发电。

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The disposal of nuclear waste requires a great deal of embodied energy, including that in the materials used to maintain the disposal facilities (i.e. concrete and steel).

在可预计的时期内，核废料的处理方法只有深埋，处理核废料将耗费大量能量，包括大量用于建设处置设施的材料(比如钢筋混凝土)。

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While Fluorescents boast energy efficiency and a longer life, the bulbs also contain mercury making disposal of used bulbs difficult and potentially hazardous.

尽管日光灯夸口说更节能更耐用，但由于灯泡中含有水银而使得旧灯泡的处理困难而且存在潜在的危险。

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And when Stephen Hawking announced that micro black holes must exist, science fiction writers enthusiastically wrote stories using them as garbage disposal energy generators, or perfect murder weapons.

BBC: How sci-fi moves with the times

With gas profits at his disposal, Mattei transformed himself into a petropopulist, promising cheap energy for consumers across EUrope.

FORBES: Companies, People, Ideas

The energy firm said it would continue to store waste on site until a deep geological disposal facility was made available - similar to the storages created in underground rock caverns in Finland.

BBC: Sizewell B nuclear power station