The actor took to social media on Thursday evening to upload a video of himself tearing into the 70-year-old in an aggressive rant.
He explained: "President Trump says he's pulling out of the Paris climate agreement. My message to you Mr President is that as a public servant, especially as a president, your first and foremost important responsibility is to protect the people.
"200,000 people die every year in the US from air pollution, and half of our rivers and streams are too polluted for our health.
"We can't sit back and just do nothing while people are getting sick and dying, especially when you know there is another way."
ATTN • SG
Arnold took to social media to slam the president for his decision
Donald Trump announced that he was pulling the Us out of the Paris climate change accord
The former California Governor went on to plead with the president to "choose the future".
Arnold then warned Trump that if he did not choose the right thing, then the citizens of America would rise up against him.
"You see, the people will rise up," he noted. "Other leaders from local governments will rise up and fill the void that you are creating.
"Like all of the great movements in human history, our clean future starts with a grass roots movement in our communities, our cities, and our states.
ATTN • SG
Arnold certainly didn't hold back as he warned the 'people will rise up' World leaders gather at G7 summit 2017 Fri, May 26, 2017
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Donald Trump will face Theresa May and world leaders at the G7 summit in Sicily
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G7 Summit in Taormina
Leonardo took to Twitter to slam the president's decision
"70% of our dirty emissions can be controlled at the state and local level."
He is just one of many celebrities who have taken to social media to slam the US leader for his shock decision.
Katy Perry tweeted: "I ask humbly to remember your children, their children and all children will be left to live w/the results of your decision. (sic)"
Meanwhile, Leonardo DiCaprio stressed: "Today, our planet suffered. It's more important than ever to take action."