articles

An influx of pollution from Asia in the western United States and more frequent heat waves in the eastern U.S. are responsible for the persistence of smog in these regions over the past quarter century despite laws curtailing the emission of smog-forming chemicals from automobile tailpipes and factories.

The study, led by researchers at Princeton University and the National Oceanic and Atmospheric Administration's Geophysical Fluid Dynamics Laboratory (GFDL), highlights the importance of maintaining domestic emission controls on cars, power plants and other industries at a time when pollution is increasingly global.

A World Meteorological Organization (WMO) committee of experts announces this week (Wed 1 March) new records for the highest temperatures recorded in the Antarctic Region. The results are part of continuing efforts to expand a database of extreme weather and climate conditions throughout the world.

In small village communities, local resources are often not used sustainably

In theory, oil and water don’t mix. In reality, the two liquids can be almost impossible to separate, especially from complex chemical cocktails such as the wastewater produced by Alberta’s oil sands mining operations.

A tailored preventive oral health intervention significantly improved the cleanliness of teeth and dentures among elderly home care clients. In addition, functional ability and cognitive function were strongly associated with better oral hygiene, according to a new study from the University of Eastern Finland. The study is part of a larger intervention study, NutOrMed, and the findings were published in the Age and Aging journal.