在国际上,市场进入障碍已不再是关税壁垒,而是与环境保护密切相关的绿色壁垒。绿色壁垒作为一种市场准入障碍,从广义上讲是指进口国通过国际、国内立法,制定内容繁多、复杂的法律、法规、标准,以阻止或限制某些外国商品的进口。从狭义上说,绿色壁垒实际上是指一个国家以保护生态环境为借口,以限制进口、保护本国供 Internationally, barriers to market entry are no longer tariff barriers, but green barriers that are closely related to environmental protection. Green barriers, as a barrier to market access, broadly refers to importing countries that adopt various international and domestic legislation to formulate various and complex laws, regulations and standards to prevent or limit the import of certain foreign goods. In a narrow sense, green barriers actually refer to a country’s protection of the ecological environment as an excuse to limit imports and protect its own supply