Prince William will represent the United Nations climate conference in Brazil during November, as announced by palace sources.
Prince William and King Charles made a joint appearance on Thursday night at a gathering preceding the environmental conference, which is set to be held in the Amazonian city of Belem.
The royal pair were present at the Natural History Museum reception, marking an noteworthy combined presence at a climate summit preparatory event co-hosted by the British authorities.
The King has been a consistent supporter of biodiversity preservation - and Prince William has taken on the baton, with his own environmental prize initiative, which will be hosted in Rio before the UN meeting.
Official representatives have characterized William's involvement at the upcoming climate summit as stepping up an significant responsibility in "global climate discussions".
The monarch and his heir, arriving together in the state Bentley, were greeted participants featuring environmentalists, researchers, climate change campaigners, foreign representatives and politicians.
This engagement featured addresses alongside French leader Macron of France and other global statesmen at the Marine Economy Conference in Monaco earlier this year.
The COP30 summit will coincide with the William's personal climate innovation prizes, which will conclude in Rio de Janeiro the day before he participates in the climate conference on November 6th.
Recently the William described the prize competitors as "heroes of our time".
The monarch has been a influential participant at past COP meetings, delivering the inaugural speech in Dubai for the 28th Conference of Parties, including the statement: "Our responsibility is to protect the world we inhabit".
"Throughout my life I've dedicated a large proportion of my life trying to alert people to the existential threats facing us over global warming, climate change and ecological decline," the sovereign addressed delegates.