Sentences with phrase «past dam building»

There are significant differences between such typical past dam building and the Nyabarongo in Rwanda.

Additionally it would be wrong to claim that the Rwandan government's way of acting radically differs from that witnessed in past dam building.

Not exact matches

Engineers and economists now regard many of the dams built over the past 50 years as follies.

Flying under the accounting radar Derek Scissors, a research fellow in the Asian Studies Center at the Heritage Foundation, questioned whether looking at the past decades is a useful comparison, particularly for hydro development, since industrialized countries like the United States built their dams decades ago.

«Over the past 60 years, a myriad of dams have been built either to provide hydroelectric power, or for irrigation purposes, or as flood protection,» says Bernhard Lehner, a professor in McGill University's Department of Geography and the research director of the project.

Since Egyptians built the first known dam around 2500 BCE, water managers have expected rivers to continue behaving as they have in the past.

One notorious case was the experience of firms that contracted to build dams in central Africa in the 1950s, and consulted with climatologists about the largest floods that could be expected according to past statistics.

This past month was anything but short on developments of interest to environmentalists, with a deal being inked to build the Nabucco natural - gas pipeline, European funders pulling out of the controversial IlÄ ± su Dam project, and the final stage of Turkey's ban on indoor smoking going into effect.

«California's dams and water storage facilities are built to handle the snow melt as it happened in the past.

That the politburo - style committees favored in foreign lands let people settle in flood plains without paying for what they use, in effect subsidizing folly, while all they do about it is build the same dams and reservoirs that have failed time and again in the past, just tells us how weak the communist way of thinking is.

Studies estimate between 30 and 50 percent of the world's mangroves have been lost over the past 50 years as they are deforested for shrimp, rice and palm oil production, drowned by rising seas, and starved of freshwater by dam - building.