Unfortunately, the repairs were very expensive. Luckily, the residents of the big city recognize the importance of the dam and are willing to pay for its repairs. It's a good thing, because the ...

"If that dam collapses, four million tons of poisonous sludge will gush down the mountainside and destroy our village completely. The gold mine isn't even productive anymore. Please remove the ...

Building big dams isn’t the only way we’re messing with Earth’s spin—climate change plays a part too (think polar ice melting). Natural forces like the Moon’s pull have been slowing down ...

the Brazilian government has announced that the era of building big hydroelectric dams in the Amazon basin, long criticized by environmentalists and indigenous groups, is ending. “We are not ...