FAA bans drone flights near major US landmarks
The Federal Aviation Administration is banning drone flights within 400 feet (122 meters) of several national landmarks, including the Statue of Liberty and Mount Rushmore.
The Federal Aviation Administration is banning drone flights within 400 feet (122 meters) of several national landmarks, including the Statue of Liberty and Mount Rushmore.
Engineering
Sep 29, 2017
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When the Mactaquac Dam opened in New Brunswick, Canada, in 1968, it was expected to have a service life of 100 years, but a chemical reaction occurring within the concrete used to build the dam has drastically shortened that ...
Engineering
Sep 14, 2017
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4
A new WWF and Mamirauá Institute for Sustainable Development report, released on 30 August, reveals that a new animal or plant species is discovered in the Amazon every 2 days, the fastest rate to be observed this century. ...
Environment
Aug 31, 2017
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An international team of scientists investigating the effects of six planned or potential Andean dams on the Amazon river system has found that major negative ecological impacts can be expected both above the dams and throughout ...
Environment
Aug 24, 2017
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Climate variability—rather than the presence of a major dam—is most likely the primary cause for a water supply decline in East Asia's largest floodplain lake system, according to a Kansas State University researcher.
Environment
Aug 3, 2017
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Heavy rainfall can cause rivers and drainage systems to overflow or dams to break, leading to flood events that bring damage to property and road systems as well potential loss of human life.
Environment
Jul 18, 2017
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Lebanon's government says a dam planned for a valley near Beirut is vital to tackle chronic water shortages, but the location on a seismic fault line has raised fears among residents.
Environment
Jun 29, 2017
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As nearly 75 percent of the nation's largest dams approach the high maintenance years, safety and economics figure large in decisions to fix or replace. A recent study by Michigan State University (MSU) researchers makes ...
Environment
May 10, 2017
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Freshwater megafauna such as river dolphins, crocodilians and sturgeons play vital roles in their respective ecosystems. In a recent scientific publication, researchers of the Leibniz-Institute of Freshwater Ecology and Inland ...
Ecology
Mar 15, 2017
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Twelve years ago, widespread destruction from Hurricane Katrina on the Gulf Coast helped compel federal engineers 2,000 miles away in California to remake a 1950s-era dam by constructing a massive steel-and-concrete gutter ...
Environment
Feb 19, 2017
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