The King joked with Stella McCartney about getting her father Sir Paul to perform a gig for him as he inspected projects to solve environmental problems at a sustainability event.Charles welcomed executives and representatives of international government on Tuesday at Hampton Court Palace as part of the Terra Carta exhibition hosted by the Sustainable Markets Initiative (SMI).

The King joked with Stella McCartney about getting her father Sir Paul to perform a gig for him as he inspected projects to solve environmental problems at a sustainability event.Charles welcomed executives and representatives of international government on Tuesday at Hampton Court Palace as part of the Terra Carta exhibition hosted by the Sustainable Markets Initiative (SMI).