News & Events
In recent years, “Personal Transportation Devices” (PTDs) have exploded onto streets and sidewalks. These small devices transport individual persons at slow speeds and are either human-powered or motorized.
Professor Hernández Ayala's paper Extreme Rainfall Associated With Hurricane Maria Over Puerto Rico and Its Connections to Climate Variability and Change has recently been cited in the media.
Supplying electricity to populations without full access requires cost-effective, distributed sources of electricity generation. Diesel generators are a popular electricity source because of their low capital costs, but they can have high operating costs.
Despite several decades of research focusing on prehispanic human ecology, debate continues over the impact of climatic and anthropogenic landscape change on human populations in Mesoamerica.
We present pollen and microscopic charcoal evidence from securely dated lake sediments, located in the Tuxtlas region of Veracruz, Mexico. Two periods of agricultural activity are recognized.