noise pollution can be considered as the most important problem of urban environmental management in mega metropolises and urban transportation is the main source of the mentioned problem. this study aims to investigate the amount of traffic noise dose received by traffic policemen in tehran; district 1 municipality. the investigation was conducted during three consecutive months in 2007 in 282...

Maoli Lake is the water source for local residents and a national nature protected area. However, due to intensive agriculture development, quality has deteriorated over past decades. An effective measure improve control agricultural non-point (NPS) pollution through elaborate schemes based on eco-compensation. In order develop such eco-compensation schemes, three scenarios of activity adjustme...

Identifying the effect of agricultural non-point source pollutants on water quality is very important for pollution management. This study used NH 3 N as an indicator to empirically influence fertilizer application river based panel data 46 prefecture-level cities and 18 state-controlled monitoring points through which main streams Yangtze River Yellow flow from 2004 2019. It found that: (1) An...