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Earth Happenings Archive
March, 2003

March 2003

New Water Treatment Process Could Help Cities Cut Sludge Disposal Costs
( 3/27)
An innovative technique has been proposed for treating and purifying wastewater, which could spare budget-strapped municipalities some of the expense of handling the sludge that remains after treatment. Researchers say it could reduce the amount of leftover sludge by up to five tons a day for a plant that serves 100,000 people.

Spring drought seen in U.S. West, Plains, says NOAA
( 3/21)
A severe drought parching the Midwest, northern Plains, and western United States is not expected to improve in coming months because of light winter snowfall and scant spring rains, U.S. weather forecasters said Thursday.

Underwater Sensor System Could Protect Reservoirs, Drinking Water
( 3/20)
A sensor system that can autonomously, continuously and in real-time monitor streams, lakes, ocean bays and other bodies of liquid may help solve problems for environmentalists, manufacturers and those in charge of homeland security, according to Penn State engineers.

Fossils reveal Welsh slate secrets
( 3/18)
Scientists have been able to date more precisely the moment when Wales' slate hills were pushed up from the sea floor - thanks to some tiny fossils.

Mt. Pinatubo Eruption Provides A Natural Test For The Influence Of Arctic Circulation On Climate
( 3/13)
A recent NASA-funded study has linked the 1991 eruption of the Mount Pinatubo to a strengthening of a climate pattern called the Arctic Oscillation. For two years following the volcanic eruption, the Arctic Oscillation caused winter warming over land areas in the high and middle latitudes of the Northern Hemisphere, despite a cooling effect from volcanic particles that blocked sunlight.

New System Recovers And Reuses Electronic Wastes
( 3/04)
Concern is rising among governments worldwide about electronic wastes -- discarded computers, televisions, cell phones, audio equipment and batteries -- leaching lead and other substances that may seep into groundwater supplies.

Giant sequoia trees fall unexpectedly
( 3/01)
Two giant sequoias that put down roots long before the United States became a country fell last weekend, the first of the age-old forest titans to fall in years.

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