According to the United Nations Environment Programme, each year some 100 tons of mercury, 3,800 tons of lead, 3,600 tons of phosphates, and 60,000 tons of detergents enter the Mediterranean Sea as a result of human activities.
ÜRO Keskkonnaprogrammi andmetel satub igal aastal inimtegevuse tagajärjel Vahemerre umbes 100 tonni elavhõbedat, 3800 tonni pliid, 3600 tonni fosfaate ja 60000 tonni puhastusvahendeid.