Sentence examples for existing pollution from inspiring English sources
The existing pollution situations were expressed in terms of total wastewater discharge, total pollutants discharge, and existing PMZ plume size.
Environmentalists generally agree, but say that even the plants' reduced emissions would aggravate existing pollution.
The new rules were aimed in particular at problems caused by agricultural runoff, which have often escaped existing pollution controls.
Few of the streams showed pollution levels that violated clean-water laws, the researchers said, although they noted that most of the substances they were measuring were not the subject of existing pollution rules.
Coal gasification is also seen as the most promising technology for capturing carbon dioxide, which scientists regard as a major contributor to global warming, but which is not being reduced under existing pollution controls.
Different parts of the world, Mr Brack points out, can tolerate different levels of pollution, depending on climate, the preferences of local people and governments, and existing pollution levels.
However, given the properties of concern (see "Overview of concerns of short-chain PFAAs") and the already existing pollutions (see "Case example Rastatt"), there is an unequivocal need for regulation of short-chain PFASs.
Rather, the most environmentally and economically effective way to address such pollution is to revisit existing local pollution laws and perhaps make them more stringent.
But here it's crucial to recognize that existing air pollution laws address such pollutants, and so any greenhouse gas allowance trades that would violate local air pollution limits would be prohibited.
A stagnation day is defined as one with sea-level geostrophic wind < 8 m/sec, 500 millibars (mb) wind < 13 m/sec, and no precipitation (Wang and Angell 1999), and although not directly related to pollutant emissions, air stagnation days can exacerbate the effects of existing air pollution.
While we cannot do much about existing carbon pollution sources, we can stop dangerous new ones.
