An industry group says recycling coal ash, the second-largest U.S. waste stream, helps the environment and economy. Recycling has a role but also raises concerns, environmentalists argue.
Earth science
Posted inScience Updates
Exploring the Restless Floor of Yellowstone Lake
Yellowstone Lake, far from any ocean, hosts underwater hot springs similar to those on mid-ocean ridges. A research team is investigating the processes that drive the lake’s hydrothermal systems.
Posted inNews
Richard J. O’Connell (1941–2015)
This son of a Montana sheriff discovered the fundamental rules underlying complex geophysical phenomena, and he taught others to do the same.
Posted inNews
Mystery Quakes May Be Among World’s Longest-Lived Aftershocks
New evidence about where a major earthquake struck central Washington State 145 years ago raises the possibility that today’s unusually frequent quakes in the area still echo that 1872 event.
Posted inEditors' Vox
The Gravity of Geophysics
A recent article in Reviews of Geophysics examined terrestrial techniques for measuring changes in gravity over time and their application to the geosciences.
Posted inScience Updates
Sounding the Black Smoker Plumes
Imaging sonar, an emerging technique for monitoring heat from seafloor hydrothermal vents, gives scientists a new look at interacting systems off the coast of Canada.
Posted inScience Updates
Analog Modeling Recreates Millions of Years in a Few Hours
Second Workshop on Analog Modeling of Tectonic Processes; Austin, Texas, 17–19 May 2017
Posted inEditors' Vox
Future Looks Drier as Drylands Continue to Expand
A recent article in Reviews of Geophysics examined the areas of land globally that are classified as drylands and the impact of their growth on human communities.
Posted inEditors' Vox
Ethics Crucial for the Future of the Geosciences
A new AGU Special Publication provides a policy and practice overview of where we are and where we need to be regarding scientific integrity and ethics in the geosciences.
Posted inFeatures
Ten Mesmerizing Geophysical Maps That Double as Works of Art
From tiny seafloor features in the Gulf of Mexico to craters pocking the surface of Mars, the details on these maps captivate and fascinate.