09/10.19Clockwise from top left: Ocean explorer Gaelin Rosenwaks in the
sargassum; Dave Ford sets the tone for the summit; a Bermuda
beach; 5 Gyres’ Marcus Eriksen; Greenpeace’s John Hocevar; Post-it
Notes aboard the Resolute; the author (far right) on a snorkeling
outing; Siri codeveloper Tom Gruber; life-jacket drill.