US settles historic environmental lawsuit A US power company has pledged to slash its emissions of acid rain-causing gases in a groundbreaking legal settlement, reports said on Tuesday.

• 美国了结历史性环境诉讼案报道说,美国电力公司已在一前所未有的法律和解协议中同意投巨资来减少导致酸雨的气体的排放。