As part of its program of keeping officials and the public apprised of volcanic threats, the USGS periodically reassesses the threat level of U.S. volcanoes and updates volcanic threat assessment documentation.
articles
Geology and grapes a winning pair
About 150 years after grapes were first cultivated on a small strip of Pelee Island, vineyards now cover two-thirds of the island and have become its major agricultural enterprise.
As Polar Bear Attacks Increase in Warming Arctic, a Search for Solutions
Searching for a polar bear in a snowstorm is something akin to looking for a needle in a haystack.
Peanuts That Do More with Less Water
The beloved peanut usually grows in sandy soil where there might not be much moisture. But some varieties of peanut perform better in drought than others.
Research Sheds New Light on What Drove Last, Long-Term Global Climate Shift
The quest to discover what drove the last, long-term global climate shift on Earth, which took place around a million years ago, has taken a new, revealing twist.
Cover Crops May Increase Winter Temperatures in North America
Cover crops grown in fields during winter may be warming temperatures in the northern United States and southern Canada, according to a new study by scientists at the National Center for Atmospheric Research.