पर्यावरण प्रदूषण एक देश की समस्या नहीं है, इस समस्या से दुनिया के तमाम देश जूझ रहे है। इसलिए पर्यावरण प्रदूषण एक विशव्यापी समस्या (Global problem) बन गई है।
पर्यावरण के प्रति जागरूकता तथा संरक्षण के लिए विश्व की कई पर्यावरण एजेंसियों तथा संगठनों ने कई दिवस दिवस घोषित किये है
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