Al gore uses which tone in his nobel prize acceptance speech

In his acceptance speech of the Nobel Prize Al Gore used a formal style the tone of his word was serious, thoughtful and grim, even when he included pauses to allow the audience laugh while he was poked fun about his political career, he showed his affliction for the environmental situation of the earth and the future of the planet.

In his Nobel Prize acceptance speech, Al Gore uses a thoughful tone to deliver his information.  

Albert Arnold Gore Jr. is an American politician and environmentalist who served as the 45th vice president of the United States from 1993 to 2001. Gore was Bill Clinton's running mate in their successful campaign in 1992, and the pair was re-elected in 1996.

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