Surprise Deal Would Be Most Ambitious Climate Action Undertaken by U.S.

The $369 billion climate and tax package forged in a surprise deal by Senate Democrats on Wednesday would be the most ambitious action ever taken by the United States to try to stop the planet from catastrophically overheating.

The agreement, which Senate Democrats hope to pass as early as next week, shocked even some who had been involved in the sputtering negotiations over climate legislation during the past year. The announcement of a deal, after many activists had given up hope, almost instantly reset the role of the United States in the global effort...