President Moon Jae-in will take part in a multilateral meeting on climate change hosted by U.S. President Joe Biden in the coming hours.
President Moon will deliver a speech during the first session of the virtual 'Leaders Summit on Climate' on Thursday evening, Korea time.
Officials say he will highlight the country's commitment to climate action and ask for active participation in the P4G Summit, to be hosted by Seoul in May.
Moon will wear a necktie, made of recycled plastic waste, with a lapel pin to promote the P4G summit, made from marine trash, on his suit.
This will be President Moon's first virtual meeting with Biden. since he took office in January.
Over 20 leaders will take part, including Chinese President Xi Jinping.