مسایل زیست محیطی در جهان impact of human activity

The average person generates 4.3 pounds of waste per day. This is 1.6 pounds more than most produced back in 1960. Where does it all go? Approximately 55% of 220 million tons of waste generated each year in the United States ends up in one of the over 3,500 landfills. بطور تقریبی هر نفر در جهان 4.3 پاند زباله گوناگون درجهان تولید می کند.

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