One could envision a nearby planet colonized by a network of Superdome villages, each producing its own food, water, air, people, and culture.

你可以想象一下，一个近邻的星球聚居着无数带有超大圆顶的村庄。每一个村庄都可以为自己生产食物、水、空气、人以及文化。

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Up to 580 million people live in the basins of the three rivers — all major grain-producing areas that have been hit by serious droughts and falling water levels in the last few months.

接近5.8亿的人生活在这三条河流经过的盆地中，多数地区是谷物产地。过去几个月中，这些地区蒙受了严重的干旱和水位下降。

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Producing hydrogen by water electrolysis with SPE is a mature technology and will be one of the main ways of hydrogen production.

SPE电解水制氢技术成熟，将成为未来主要制氢方法之一。

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The robot is powered by heat-producing chemical reactions between the oxygen and hydrogen in water and the platinum on its surface.

BBC: Robotic jellyfish fuelled by hydrogen invented

Many environmental groups, of course, see the shale gas boom unleashed by hydrofracking and horizontal drilling technologies as more a curse than a blessing, producing contaminated water supplies and air pollution while scaring local landscapes.

FORBES: Will California Get Fracked?

Iran, by comparison, is producing near-weapons-grade uranium, but it also has a heavy-water reactor being developed that could produce weapons-usable plutonium.

WSJ: U.S. Opposes Japan's Nuclear Plan