Production dipped only when factories started damming rivers and building plants that dumped sludge into spawning grounds.
How do you think rivers are impacted by damming, drilling and burning?
In the 1970s, a hugely expensive and complicated 15-year programme to reclaim 22 hectares of land by damming and backfilling the sea bed began.
Louisiana's wetlands have been eroding for years, for instance, the result of the damming of the Mississippi River and of coastal development, including for oil and gas drilling.
Syria has restricted the activities of Kurdish insurgents infiltrating Turkey, while earlier this month Jordan and Syria signed an agreement on damming the Yarmuk, along their southern frontier.
The Fleet continues to wind its way north, ending up at Hampstead Heath, the ponds of which were actually formed by a damming of the river in the 18th Century.
Some of the worst drought conditions (and occasional flooding) in the world are to be found there, leading to potential conflict over, and environmental degradation from, river flows, mining and damming.
The Chinese government, of course, is more proactive on this front, at least in terms of damming and other diversions intended to route precious fluid from the mountainous south to the populous north.
Damming tropical islands streams: Problems, Solutions, and Alternatives.
But here, inland, there is a particular big issue going on at this present moment in time, about damming the Rio Grande in Southern Spain, to provide more water for the resources on the coast.
BBC: NEWS | In Depth | 2003 | World Forum | Water | Global village voices: Water
The demonstrators accuse Norte Energia of damming the final canal of the river without having solved the matter of how to move boat traffic from one side of the cofferdam to the other, as required by the Installation License issued by Ibama.
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