On 19 August 2025, Ambassador Nitivadee Manitkul led the officials of the Royal Thai Embassy in Oslo to join the Voluntary Activity by planting trees at the Royal Thai Embassy to Commemorate the 93rd Birthday Anniversary of Her Majesty Queen Sirikit The Queen Mother and Thailand's mother's day 12 August 2025. The activity is aimed to follow the royal initiatives of Her Majesty Queen Sirikit The Queen Mother focusing on forest conservation and reforestation.