Ocean summit held as three-quarters of world's reefs under threat

Ocean summit held as three-quarters of world's reefs under threat

Political, business and environmental leaders from around the globe are gathering in Mexico for the World Ocean Summit. The aim is to come up with ways to use maritime resources sustainably.

But the location of the meeting itself is a cautionary tale of financial gains trumping environmental concerns.

Al Jazeera’s Jonah Hull reports from Cancun, Mexico.