He participated at two expeditions of Haroun Tazieff in Congo at the volcanic crater of Nyiragongo and in Ethiopia on the plain of Dallol.

In 1973, his participation at the nautic race of Whitbread between Portsmouth and Cape Town revealed his passion for the sea and later the publication of his first book.

Georges Pernoud made his very first appearance on television on 25 November 1973 in the daily news on the second channel of the ORTF titled 24 heures sur la Une.

Georges Pernoud proposed on 4 June 1975 the project for Thalassa, a weekly documentary dedicated to the sea, which was accepted two days later.

[3] Unsatisfied of the more and more erratic broadcast of Thalassa and weakened by health problems, he announced his departure of the program on 21 April 2017[4][5] and made his last appearance on 30 June 2017 in an episode that was entirely dedicated to him.