JK Rowling tweeted that Trump must ‘ live on another planet’ after the President pulled the US out of the critical Paris climate change accord, and a bevy of celebs have chimed in.

Former California Governor and Hollywood star Arnold Schwarzenegger just uploaded his reaction to Trump’s decision (see it below) injecting a little humor in his impassioned speech:

 ‘One man cannot destroy our progress, one man can’t stop our clean energy revolution, one man can’t go back in time, only I can do that.’