Climate models are evolving, and are getting more accurate, but they are still incomplete. Our atmosphere is very complex, and there are factors that even current models don’t address, or address with an in-complete knowledge of the physical processes involved. This leads to inaccuracies that create uncertainty in the results of climatic projections.
The increasing acidification of the world’s oceans caused by rising concentrations of atmospheric carbon dioxide not only poses a threat to marine creatures, but also could lead to an intensification of planetary warming, according to a new study.
A team of U.S., British, and German researchers
A new NASA study calculates that nearly 64 million tons of dust, pollution, and other tiny particles enter the atmosphere above North America from other continents each year, nearly as much as the 69 million tons of aerosols produced domestically through natural processes and human activities.
The exhaust fumes from gasoline vehicles contribute more to the production of a specific type of air pollution-secondary organic aerosols (SOA)-than those from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES). Secondary organic aerosols, tiny “tar balls” resulting from combustion