Some years ago, it was estimated that the residents of New York City alone produced enough garbage each year to bury the city’s huge Central Park under 13 feet [4 m] of refuse!
يُقال ان « وزنا من الماء معادلا لها يمكن ان يملأ ٠٠٠‏,٦٨ بركة سباحة اولمپية » .‏