"Award-winning American environmental photographer Gary Braasch died on Monday while snorkeling at the northern end of the Great Barrier Reef.

Braasch, 70, from Portland, Oregon, was snorkeling with a companion at the Australian Museum's Lizard Island Research Station, the museum said in a statement. He was documenting the effect of climate change on the reef.

The cause of death was not immediately clear. Queensland police had been notified and were investigating, the museum added."

Swati Pandey reports for Reuters March 7, 2016. [2]