While arsenic is an ancient health threat, this analysis offers one of the first nationwide appraisals for the groundwater contaminant and spotlights regulatory gaps in the nation’s water infrastructure.
By Nsikan Akpan
The Obama administration is proposing to cut methane emissions from U.S. oil and gas production by nearly half over the next decade in an unprecedented step to curb climate change.
By Matthew Daly, Josh Lederman, Associated Press
On the morning of May 18, 1980, a 5.1 magnitude earthquake shook the ground beneath Mount St. Helens and awakened the volcano located 96 miles south of Seattle, Washington, that had been dormant for more than 140 years.
By Carey Reed
Scientists hope a new mapping model published this week that pinpoints where the endangered Carolina northern flying squirrel lives will help conservationists better focus efforts to protect it and its equally threatened habitat, the Appalachians' red spruce forests.
By Carey Reed
On Jan. 12, 2010, a magnitude 7.0 earthquake reduced the impoverished island country of Haiti to rubble, leaving 220,000 dead, another 300,000 injured, and more than a million homeless. Among those that survived also lost limbs to falling walls and…
By Tony Schick, Earthfix
The last time the U.S. Geological Survey made a national map of landslide hazards, it did so on paper. It didn’t use laser imaging for landslide detection and it didn’t render the maps with the high-powered geographic software near-universally…
A 7.0 earthquake tore through the impoverished Caribbean nation of Haiti on Tuesday. The quake, which struck just 14 miles from the capital of Port-au-Prince, is the largest recorded in the area. An earthquake expert from the U.S. Geological Survey…
When North Korea conducted its second underground nuclear test in three years Monday, one of the first places in the world to register anything unusual was the National Earthquake Information Center in Denver, Colo.
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