Long-period oscillations in rainfall make even long records less useful for predicting future extremes.
Hazards & Disasters
Posted inScience Updates
Addressing Challenges of Mitigating Flood Risk in Mountain Areas
Workshop on Modeling and Managing Flood Risk in Mountainous Areas; Folsom, California, 17–19 February 2015
Posted inNews
Obama Links Climate Change to National and Global Security
Obama tells new Coast Guard officers that climate change poses a serious security threat to coastal areas and a challenge to the U.S. military.
Posted inResearch Spotlights
Regional Nuclear War Could Cause a Global Famine
A detonation of less than 0.03% of the current global nuclear arsenal could cause fires that clog the air with soot. This soot could block solar radiation, leading to worldwide crop shortages.
Posted inNews
Protecting Earth from Solar Storms
A task force on space weather recently released a national strategy to reduce damage resulting from solar storms. The plan is now open for public comment.
Posted inNews
Scientist's Field Season Ends with Nepal Quake
A graduate student studying tectonics found himself caught in a disaster at the end of fieldwork in the Himalayas.
Posted inResearch Spotlights
What Causes Extreme Hail, Tornadoes, and Floods in South America?
A study of extreme weather in South America shows seasonal and spatial patterns, which, if better understood, could help save lives and minimize damage to property.
Posted inNews
Reducing Earthquake Risk in Nepal
What specific approaches work well to protect people from earthquake hazards in Nepal? Hazard mitigation expert Brian Tucker shares his insight.
Posted inNews
What Can We Learn About Disaster Preparedness from Nepal's Quake?
In an interview with Eos, hazard mitigation expert Brian Tucker gives his views on disaster preparedness in the wake of the recent earthquake in Nepal.
Posted inResearch Spotlights
Could Amazonian Deforestation Increase Cloudiness and Rain?
In trading trees for pastures, patchwork differences in vegetation heights increase cloudiness in downwind regions.