5 things you should know about the UN Ocean Conference, a chance to save the planet’s largest ecosystem

5 things you should know about the UN Ocean Conference, a chance to save the planet’s largest ecosystem: The Ocean is the planet’s largest ecosystem, regulating the climate, and providing livelihoods for billions. But its health is in danger. The second UN Ocean Conference, due to take place in June, will be an important opportunity to redress the damage that mankind continues to inflict on marine life and livelihoods.