2.1 million Americans use water wells with hazardous levels of arsenic, USGS estimates
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.
U.S. proposes to cut methane from oil, gas production by nearly half
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.
What have we learned in the 35 years since Mount St. Helens erupted?
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.
Can a new mapping model save this endangered flying squirrel?
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.
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…
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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![On the left, civilian group Las Rastreadoras de El Fuerte search in the desert for mass graves in Los Mochis, Mexico. On the right, artist Luz María Sánchez's sound piece "V.[u]nf_4", which incorporates sounds from the desert searches. It appeared at the University Museum Contemporary Art in Mexico City last year. Photos courtesy by Luz María Sánchez](https://d3i6fh83elv35t.cloudfront.net/static/2020/02/sound2-425x234.jpg)
