Posts Tagged ‘public utilities’
Leaky sewers stress out urban watersheds
U. PITTSBURGH (US) — Aging sewer systems in the US are spilling a considerable amount of nitrogen into urban watersheds, diminishing both the quality of water and ecosystem habitats, researchers report. Continue…
Thursday, March 7, 2013 5:03 - 0 Comments
Science & Technology - Mar 4, 2013 16:32 - 2 Comments
Blackouts are so 2003: Synching the power grid
NORTHWESTERN (US) — Even as the demand for electricity grows, new guidelines could help improve power grid reliability and reduce electricity cost, researchers say. (more…)
Top Stories - Nov 20, 2012 11:54 - 0 Comments
More than 3,000 natural gas leaks in Boston
BOSTON U. / DUKE (US) — Scientists have found 3,356 natural gas leaks—six of which with concentrations high enough to cause an explosion—under Boston’s streets. (more…)
Health & Medicine - Dec 30, 2011 9:58 - 3 Comments
New + old pipes = lead in the water
WASHINGTON U.-ST. LOUIS (US) — Partial replacement of old lead pipes can make water contamination problems worse, a new study shows. (more…)
Science & Technology - May 12, 2010 16:42 - 1 Comment
Hinged pole could keep the lights on
IOWA STATE (US)—Engineers have designed a new type of transmission pole that is hinged, making it easier to install and repair. It also resists the kind of cascading failures that can lead to widespread power outages. (more…)
Earth & Environment - Jan 18, 2010 13:02 - 1 Comment
Thirsty cities should mix it up
PENN STATE—To save money, avoid surpluses, and reduce shortages, urban water planners should combine three approaches to buy water: permanent rights, options, and lease. (more…)
Earth & Environment - Oct 23, 2009 11:41 - 0 Comments
Predicting power outages before the storm
JOHNS HOPKINS/TEXAS A&M (US)—Using data from Hurricane Katrina and four other storms, researchers have created new computer models to help utilities better forecast hurricane-caused power outages in advance. (more…)
Science & Technology - Sep 2, 2009 12:05 - 0 Comments
‘Smart’ pipes call for help
UC IRVINE (US)—A CD-sized sensor could help keep the water running during earthquakes and other disasters by sounding an alert when pipes crack or break. The sensors are being used to develop a wide-scale pipe monitoring system in California. (more…)
