While greed is probably the main cause of the worldwide problem of pollution and its many ill effects, part of the problem is the result of unclean personal habits.
देखा जाए तो प्रदूषण फैलाने के ज़िम्मेदार ये कारखाने या व्यापार नहीं बल्कि खुद लोग हैं ।