Britain's Prince Harry (C), Duke of Sussex, and his wife Meghan (3rd L), the Duchess of Sussex, meet staff members and young advocates during a visit to Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Britain's Prince Harry, Duke of Sussex, and his wife Meghan, the Duchess of Sussex, arrive for a visit to Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Britain's Prince Harry, Duke of Sussex, and his wife Meghan, the Duchess of Sussex, visit Batyr, a mental health engagement programme, at Swinburne University of Technology in Melbourne on April 16, 2026. (Photo by Jonathan Brady / POOL / AFP via Getty Images)

Glorianna Davenport, founder of the Living Observatory, walks through soggy ground of the restored wetland at Tidmarsh Wildlife Sanctuary in Plymouth, Mass., Saturday, March 14, 2026. (Julia Vaz/MIT Graduate Program in Science Writing via AP)

A native pitcher plant grows in a wetland on a former cranberry farm at Tidmarsh Wildlife Sanctuary, Saturday, March 14, 2026, in Plymouth, Mass. (Jamie Jiang/MIT Graduate Program in Science Writing via AP)

Brian Mayton, a member of the Living Observatory and research affiliate at Massachusetts Institute of Technology Media Lab, reads research papers at his desk at MIT, Wednesday, March 25, 2026 in Cambridge Mass. (Jamie Jiang/MIT Graduate Program in Science Writing via AP)

Brian Mayton, a member of the Living Observatory and research affiliate at Massachusetts Institute of Technology Media Lab, holds a prototype of a sensor meant to collect ecological data from wetlands Wednesday, March 25, 2026, at MIT in Cambridge Mass. (Jamie Jiang/MIT Graduate Program in Science Writing via AP)

A Living Observatory sensor that measures temperature, humidity and atmospheric pressure is seen at Tidmarsh Wildlife Sanctuary in Plymouth, Mass., Sunday, March 15, 2026. (Jamie Jiang/MIT Graduate Program in Science Writing via AP)