Sent_en: 2zh EPA administrator Lisa Jackson has previously suggested declaring global warming a health threat, and that the agency could use the 1970 Clean Air Act to use to combat it.
Sent_yy: 环境保护署署长丽莎·杰克逊此前曾建议宣布全球变暖是一种健康威胁，该机构可以利用1970年的《清洁空气法》来对抗它。