The business community lashed back at Donald Trump’s decision to ditch the Paris climate accord, as two high-profile executives quit the president’s advisory council and Goldman Sachs Group Inc.’s Lloyd Blankfein took to Twitter for the first time ever to express disapproval.

“Today’s decision is a setback for the environment and for the U.S.’s leadership position in the world,” Blankfein wrote.

Today’s decision is a setback for the environment and for the U.S.’s leadership position in the world. #ParisAgreement

— Lloyd Blankfein (@lloydblankfein) June 1, 2017

The one-sentence venture into the Twittersphere — by a CEO whose Wall Street firm has the most former employees in the administration — was but a drop in the waterfall of discord on Trump’s decision Thursday. Apple Inc. Chief Executive Officer Tim Cook spoke to Trump Tuesday to try to talk him out of a withdrawal,“but it wasn’t enough,” he told employees in a letter