After a moment when hopes dimmed that the United States could become an international leader on climate change, legislation that Congress is poised to approve could rejuvenate the country’s reputation and bolster its efforts to push other nations to reduce greenhouse gas emissions more quickly.
The head-snapping turn of events, which has generated a joyful case of whiplash among Democrats and environmentalists, is a reminder of how domestic politics is intertwined with worldwide diplomacy.
