4 May 2012

Building resilience as weather worsens

The Insurance Institute tested two houses in 95-mph winds; the one on the right, which had only $3,000 worth of improvements, fared significantly better. (CREDIT: IBHS)

Two adjacent, brand-new houses – one was torn from its foundation by winds, the other stood strong. A mere $3,000 in building costs made the difference, including a simple wind-resistant measure: a front door that stays shut in a storm because it’s built to open outward rather than inward.

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1 May 2012

Using science to disarm disaster

At a natural hazards-focused session during AGU's Science Policy Conference, officials discussed the need for natural disaster preparedness, and early warning systems. (Credit: NOAA)

When it comes to natural hazards, early warnings and preparedness are key, federal and local government officials stressed at the American Geophysical Union’s inaugural Science Policy Conference in Washington, DC, Tuesday.

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Warmer polar regions lead to hardships for arctic inhabitants

The Arctic is feeling the effects of climate change - with one town seeing the coast crumble nearby (CREDIT: Buzz Hoffman, flickr)

A few inches of seashore loss per year is usually cause for alarm among coastal communities. This is nothing to the Alaskan inhabitants of Newtok, who have experienced as much as 100 lateral feet of shoreline loss in the same amount of time.

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30 April 2012

Smoking out an air pollutant’s hot spots

When biomass burns, including during wildfires, it releases a pollutant that can cause health problems at high concentrations. (Credit: NOAA)

A smoke-related chemical may be a significant air pollutant in some parts of the world, especially in places where forest fires and other forms of biomass burning are common, according to new research.

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20 April 2012

Sadness, frustration, and ultimately admiration surround space shuttle Discovery’s welcome to Smithsonian

Space shuttle enthusiasts snap photos of Discovery on display outside the Steven F. Udvar-Hazy Center, the Smithsonian’s National Air and Space Museum companion facility near Dulles Airport, on 19 April before the shuttle was moved into a hangar at the center. Photo by Mary Catherine Adams, AGU.

On Thursday, I went to the Udvar-Hazy Center to witness Discovery being rolled into the center’s space hangar. There, former U.S. Senator John Glenn, who became the oldest person in space when he launched aboard Discovery in 1998, gave a five-minute speech about the legacy of the space program, praising the ship behind him.

“Space shuttle Discovery is the star with the most extensive record of all the shuttle fleet,” he said, before expressing sadness that the shuttle program had ended, perhaps before its time. As he turned to sit, a man behind me in the audience said quietly, “Godspeed, John Glenn.”

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18 April 2012

Growing populations lead to worldwide drop in surface water

Human population growth has contributed to a 6 percent  global drop in surface water sources such as lakes, rivers and marshes. (Credit: Flickr user bcfoto70)”

When populations expand, the demand for fresh water rises. And over the past two decades, population growth has contributed to a 6 percent decline in worldwide surface water, according to a new study.

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6 April 2012

Ocean’s plastic pollution runs deep

Recent research shows the ocean may contain more plastic debris than previously thought. Here, samples researchers pulled up from the Sargasso Sea. (Credit: Kukulka et al.)

The ocean is filled with more plastics than previously thought, according to a new study. Tiny plastic fragments not only float on the ocean’s surface, but are also temporarily pushed beneath the top layer of water by the tumult caused by maritime winds.

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2 April 2012

Tornado experts call for improved forecasting of deadly twisters

Tornadoes such as this one that recently touched down in Kansas can cause devastating localized damage. Scientists and severe weather experts at a March 29 Capitol Hill briefing stressed the need for better preparation when dealing with destructive twisters. (Credit: NOAA)

More than 250 tornadoes struck the United States in the first three months of 2012, touching down along a corridor from the Great Lakes to the Gulf Coast. Residents need to be better prepared for these deadly twisters, say scientists and experts on severe weather and emergency preparedness.

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28 March 2012

Mount Etna’s fiery fountains measured

A  Jan. 5, 2012, fountain eruption at Mount Etna. Researchers have developed a new way to measure the amount of lava flowing from the volcano. (Credit: Gianni Lanzafame)

Italy’s Mount Etna has had a busy year doing what volcanoes do best — erupting and providing volcanologists and sightseers alike with a fiery show. Armed with a new technique to determine lava volumes, researchers can now add up the amount of material that made up the impressive volcanic displays last year.

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23 March 2012

Tsunami preparedness briefing on Capitol Hill stresses disaster education

A panel of experts discusses lessons learned from the March 11, 2011 tsunami in Japan at a congressional briefing sponsored by the American Geophysical Union. Credit: AGU

A year after the tsunami that devastated the Japanese coastline, the United States still needs to ramp up its tsunami preparedness, experts say. Scientists at a March 21 Capitol Hill briefing in Washington, D.C., stressed the importance of detecting tsunamis before they reach coastlines and educating the public on tsunami dangers.

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