liberalization of international markets affects level of pollution in developing countries more than in developed countries. therefore the impact of trade liberalization on environmental pollution is a challenge for policy makers. in this paper auto regressive distributed lags (ardl) and error correction model (ecm) methods are employed for a study of the relationship between trade liberalizati...

Despite the enormous economic benefit from accession to the WTO, overall welfare of trade liberalization might be compromised since pollution from production also increased. Using plausibly exogeneous tariff reduction on Chinese goods caused by the WTO accession, variation in industry composition across cities, and variation in pollution intensity across industries, I study the effect of trade ...

The natural nighttime light environment of the earth has been significantly transformed by human activities. Such “light pollution” has a profound influence on ecosystems. Protected areas (PAs) play key ecological functions and are only effective at low light pollution levels or without any light pollution. In China, with rapid population growth and high urbanization rates, light pollution in P...

In an increasingly integrated world, falling trade barriers mean that the role environmental regulations play in shaping a country’s comparative advantage is greater than ever. This has lead to fears that “dirty” industries will relocate to developing regions where environmental regulations may be less stringent. A number of reasons have been offered to explain why, despite anecdotal evidence a...

nowadays, issues of environment degradation sourcing in human actions and economic activities are of crucial worldwide subjects that all societies are concerned with them. its importance is not only of the natural resources systems’ aspects, but it is also crucial from the socio-economic point of view. so, environmental subjects have considerable role in sustainable development process. iran as...

noise is defined as unwanted or objectionable sound. human susceptibility to noise varies in terms of intensity, altitude, timbre of sound, personal sensibility, age, and history of ear disorder. noise pollution which is the result of heterogeneous and uncontrolled developments of cities is one the serious problems in large cities of iran. although noise pollution in kerman (located in southeas...

Recent advances in fluorescence spectrophotometry enable the analysis of river dissolved organic matter. We investigate the potential of detecting sewage pollution in a small, urbanised catchment. Downstream sampling highlighted a summer maximum in tryptophan fluorescence intensity during low flow. No correlation is observed between ammonia and tryptophan fluorescence intensity. In contrast, tw...

The olfactory evaluation function (e.g., odor intensity rating) of e-nose is always one of the most challenging issues in researches about odor pollution monitoring. But odor is normally produced by a set of stimuli, and odor interactions among constituents significantly influenced their mixture's odor intensity. This study investigated the odor interaction principle in odor mixtures of aldehyd...

Due to environmental pollution, the climate is worsening. The fog days up to 60% of the year in inland certain segments, which it has seriously affected the marine electronic cruise normal operation and navigation safety. According to the inland video image becomes gray and lack of visibility in foggy weather conditions, and in order to remove the haze to get a clear image color and contour, th...