Earth
- Earth
Muddy Waters
Even though human activities such as agriculture and deforestation are sending more sediment into streams and rivers, less of that material is reaching river deltas, a trend that exacerbates problems such as subsidence and coastal erosion.
- Earth
School buses spew pollution into young lungs
Children riding on school buses inhale heavy doses of diesel fumes, and reducing these emissions could be a cost-effective means of improving their health, a new study suggests.
- Earth
Portrait of destruction
A new simulation suggests where the most damaging ground motions would occur if a magnitude 7.7 earthquake struck the San Andreas fault east of Los Angeles.
- Earth
Air pollution linked to wheat diseases
The abundance of the air pollutant sulfur dioxide appears to influence which of two fungal pathogens plague more wheat plants.
- Earth
Mind the Gap: Inadequate monitoring at many U.S. volcanoes
A report just released by the U.S. Geological Survey ranks the threats posed by the nation's volcanoes.
- Earth
Nanowaste: Predicting the environmental fate of buckyballs
The potentially harmful effects of buckyballs in aquatic environments could vary depending on the chemistry of the water.
- Earth
Bed of Armor: Large rocks hold fast in flooding streams
The relative proportions of rocks of various sizes in gravel-lined streams remain constant, even during substantial floods.
- Agriculture
Insecticide Inside: Gene-modified rice cuts chemical spraying in China
In the hands of Chinese farmers, varieties of rice genetically modified to fend off insects reduce pesticide use and increase crop yields.
- Earth
Oysters under siege: Heat and pollution
With global warming, some polluted waters could become graveyards for certain shellfish.
- Earth
Coming Storms: Method predicts intensity of U.S. hurricane seasons
A new computer model that analyzes summer-wind patterns can help predict whether the United States will suffer a damaging hurricane season.
- Earth
Balloons, condoms release likely carcinogens
Balloons and condoms that come in contact with body fluids discharge chemicals suspected of being human carcinogens.
- Earth
Rice with a Human Touch: Engineered grain uses gene from people to protect against herbicides
A human gene inserted into rice enables that plant to break down an array of chemicals used to kill weeds.
