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Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [ 1 ] to refer to smoky fog due to its opacity, and odor. [ 2 ] The word was then intended to refer to what was sometimes known as pea soup fog, a familiar and serious problem in London ...
The violations occurred between 2007–2008 and the state of Hawaii suggested these should be exempt from regulatory actions due to an 'exceptional event' (volcanic activity). Since 1980 the national concentration of SO 2 in the ambient air has decreased by 83%. [16] Annual average concentrations hover between 1–6 ppb.
In 1988, Dallas County and the State of Texas purchased 69 acres (28 ha) of the land to set aside as the Spring Creek Forest Preserve. The land was given to Garland for maintenance. Since 1987, the City of Garland and the Preservation Society for Spring Creek Forest are responsible for maintaining the nature trails within the Preserve. [1] [2 ...
The NWS Fort Worth TX issued an air quality alert on Saturday at 3:24 p.m. valid for Sunday. The alert is for Wise, Denton, Collin, Hunt, Parker, Tarrant, Dallas, Rockwall, Kaufman, Hood, Johnson ...
As with many countries, pollution in the United States is a concern for environmental organizations, government agencies, and individuals. Pollution from U.S. manufacturing has declined massively since 1990 (despite an increase in production). A 2018 study in the American Economic Review found that environmental regulation is the primary driver ...
Texas has the dubious distinction of leading the nation in polluted waterways. A new report draws upon self disclosed data by industrial facilities provided to the EPA. The study counted 17 ...
Geology of Texas. Texas contains a wide variety of geologic settings. The state's stratigraphy has been largely influenced by marine transgressive-regressive cycles during the Phanerozoic, with a lesser but still significant contribution from late Cenozoic tectonic activity, as well as the remnants of a Paleozoic mountain range.
On Thursday at 2:38 p.m. an air quality alert was issued by the NWS Fort Worth TX for Friday. The alert is for Wise, Denton, Collin, Hunt, Parker, Tarrant, Dallas, Rockwall, Kaufman, Hood, Johnson ...