Sen. Bill Nelson stands with Mr. Awesome before talking about sea level rise

MIAMI BEACH – U.S. Senator Bill Nelson posed for a photo Tuesday in Miami Beach to honor the memory of a 7-year-old boy who loved out-door adventures.

The Democrat, held up the poster of a self-portrait Calder Sloan drew before his tragic death April 13.

Calder -- also known as Mr. Awesome -- loved to go kayaking and being out-doors.

Nelson was in Miami Beach for a hearing with environmentalist on the effects of climate change on sea level rise.

READ MORE: How to share Mr. Awesome's message