在爱琴海发现的古代铅污染,使工业影响倒退1 200年。 Ancient lead pollution found in Aegean, pushing back industrial impact by 1,200 years.
研究人员在爱琴海地区发现了最古老的铅污染证据,可追溯到5 200年前,比以前记录的早1 200年。 Researchers have found the oldest evidence of lead pollution in the Aegean Sea region, dating back 5,200 years, 1,200 years earlier than previously recorded. 污染起源于熔炼铜和银矿石。 The pollution originated from smelting copper and silver ores. 直到大约2,150年前,铅含量一直很低,当时随着罗马征服希腊,铅含量急剧上升,标志着采矿和贸易活动的增加。 Lead levels remained low until around 2,150 years ago, when a sharp increase coincided with the Roman conquest of Greece, marking a rise in mining and trade activities.