"We find that fires that are upwind from population centers increase pollution levels in those areas and other fires don't increase pollution nearly as much," Vogl said.
How can fast-growing cities around the world meet their transportation needs without increasing pollution levels, endangering public health and depleting natural resources?
Finally, regions with a significant decrease in discharge, such as most parts of Europe, West Africa, western and southern Asia, and Latin America excluding the Amazon, experience a decrease in dilution capacity, which translates into increased pollution levels in several river basins (Fig. S14c: Ganges, Yangtze, Indus, Parana, Nile, Danube, Niger).
These effects can either be negative (a new road increasing pollution levels) or positive (a new railway reducing traffic congestion on an alternative road link).
The influence from ambient contamination levels was particularly striking for eels from the four sampling sites at the Rhine as their contamination concentrations reflected the increasing pollution levels for most substances along the river course.
There was a trend of increasing pollution levels, with SF exhibiting the lowest and GWB exhibiting the highest average concentrations, for PM mass and carbonaceous constituents (Table 3).
Increased pollution level in cities due to vehicles and industrial development have also put the urban population at a higher health risk than those in a rural population".
Khan and Hazarika (2012) reported that the increased pollution level of Kolong River water is mainly attributed by the discharge of various types of domestic and commercial waste water, sewage and effluent.
Instead, this administration's so-called Clean Skies initiative actually increases air pollution levels by allowing more toxic mercury, nitrogen oxide and sulfur emissions than does current law.
Public anxieties about environmental effects from China have soared this year, after Beijing recorded alarming increases in pollution levels.
