Robert Irwin praises Prince William at Earthshot event

Conservationist Robert Irwin has praised Prince William as a passionate and dedicated environmental leader as the pair reunited for a high-profile climate event in London. The 22-year-old Australian, an ambassador for the Prince’s Earthshot Prize, joined the Prince of Wales for the initiative’s Impact Assembly at the Guildhall on Tuesday, June 23, as part of London Climate Action Week.

The two arrived at the event aboard a specially branded electric double-decker bus, the 3,000th such vehicle to join the Transport for London fleet, underscoring the event's focus on sustainable solutions. In a keynote address, Prince William expressed growing optimism about environmental progress, telling an audience of finalists, winners, business leaders, and philanthropists that proof of effective solutions is now stronger than ever. "I always hoped The Earthshot Prize would show the world evidence of progress," he said. "Today we have more than belief. We now have proof."

Speaking afterward, Irwin hailed the future king’s commitment. "He truly, is, I think, one of the greatest environmentalists that we have on the planet," Irwin said in a television interview. He described William as a...