“Our natural world is one of our greatest assets,” William said, according toPeoplemagazine.

I take great comfort then from the progress we are making to end the illegal wildlife trade."

Queen Elizabeth was there for William and his younger brother Prince Harry when their mother died in 1997.

Prince William blue eyes

“I…have lost a grandmother.

And while I will grieve her loss, I also feel incredibly grateful.

Prince William serious face