Logging, urbanization, and dam building are a few ways people have significantly altered natural river ecosystems. Understanding that influence is a grand challenge of our time.
history
Posted inAGU News
Spacecraft 107’s Big Trip
This month we celebrate the spirit of adventure for AGU’s Centennial.
Posted inFeatures
Apollo’s Legacy: 50 Years of Lunar Geology
Samples of the Moon’s surface brought back by Apollo astronauts ushered in a new era of planetary science. Scientists today continue the legacy.
Posted inNews
Podcast: Night of the Killer Smog
In the latest episode of its Centennial series, AGU’s Third Pod from the Sun tells the story of two air quality disasters that served as catalysts for clean air regulations in the mid-20th century.
Posted inNews
Spy Satellite Reveals Accelerated Pace of Himalayan Glacier Melt
Images taken covertly in the 1970s have taken on a new purpose in a recent glaciology study.
Posted inNews
Ceramics Trace a 14th Century Indonesian Tsunami
Archaeological evidence suggests that communities on the northern coast of Sumatra devastated by a tsunami roughly 600 years ago opted to rebuild in the same area, a process repeated in 2004.
Posted inNews
Eruption in El Salvador Was One of the Holocene’s Largest
Roughly 1,500 years ago, the Tierra Blanca Joven eruption blanketed Central America in ash and likely displaced Maya settlements, new research shows.
Posted inFeatures
Green and Grand: John Wesley Powell and the West That Wasn’t
One hundred fifty years ago, the explorer and scientist argued that the West needed smart development. Now the fast-growing region is playing catch-up.
Posted inNews
Historic Solutions to Sea Level Rise May Help Modern Communities
Earthen mounds helped ancient Dutch settlers thrive in coastal flood zones. Could historical engineering help us fight against rising seas?
Posted inNews
New Book Examines the Legacy of Apollo
As the 50th anniversary of the Apollo 11 lunar landing nears, a new book looks back on the race to the Moon.