Prince Charles unveiling a plaque at a biodegradable plastics firm

The transcript covers a royal visit to commemorate technological advancements in chemistry. The event highlights the role of His Royal Highness and Tony Juniper in advancing scientific understanding of natural decay agents. The royal philosophy has inspired the scientific team, leading to significant progress. The visit includes an unveiling ceremony, with hopes for future solutions to environmental challenges.

What challenges did the chemistry face before the advancements mentioned?

What is the significance of unveiling a plaque in honor of the visit?