The first-ever study to map U.S. wild bees suggests they are disappearing in the country's most important farmlands—from California's Central Valley to the Midwest's corn belt and the Mississippi River valley.
Ecology
Feb 19, 2017
0
954
What caused the rapid disappearance of a vibrant Native American agrarian culture that lived in urban settlements from the Ohio River Valley to the Mississippi River Valley in the two centuries preceding the European settlement ...
Earth Sciences
Jan 31, 2017
0
47
A decade ago, environmentalists and the federal government agreed to revive a 150-mile stretch of California's second-longest river, an ambitious effort aimed at allowing salmon again to swim up to the Sierra Nevada foothills ...
Environment
Oct 22, 2016
0
10
Two species of wild bumblebees found from Alaska to North Carolina and in Canada will be considered for protection under the Endangered Species Act, the U.S. government said Tuesday.
Ecology
Mar 15, 2016
0
9
Just last year, researchers were saying there was no end in sight for California's recent drought. During the past four years—the driest the state has been in a half-century— reservoirs and lake levels plummeted, leaves ...
Environment
Jan 15, 2016
0
138
An intricate system of basins, channels, and levees called the Headwaters Diversion carries water from the eastern Missouri Ozark Plateau to the Mississippi River south of Cape Girardeau. The system protects 1.2 million acres ...
Environment
Jan 6, 2016
0
16
Geologists investigating an unusual landform in the Wabash River Valley in southern Illinois expected to find seismic origins, but instead found the aftermath of rushing floodwaters from melting Midwestern glaciers after ...
Earth Sciences
Dec 23, 2015
0
64
The first national study to map U.S. wild bees suggests they're disappearing in many of the country's most important farmlands—including California's Central Valley, the Midwest's corn belt, and the Mississippi River valley.
Ecology
Dec 21, 2015
0
176
Six of us headed out on Oct. 8 for Brahmanbaria, northeast of Dhaka. Our target is a large winding abandoned river valley that we believe used to be the course of the Meghna River. Currently, the much smaller Titas River ...
Earth Sciences
Oct 15, 2015
0
18
NASA provided four different views of Tropical Depression Bill as it continued traveling through the south-central U.S. and into the Ohio Valley. NASA's Aqua and Terra satellite provided infrared and visible imagery while ...
Earth Sciences
Jun 18, 2015
0
25
