Each of us can do three things to help save our oceans: vote, promote solutions to existing problems such as pollution, and try to buy more sustainably.

Those are the key takeaways from Emanuel Gonçalves, marine ecologist, conservationist and chief scientist of the Oceano Azul Foundation, who’s come to take part in the UN Ocean Conference, in Lisbon.

UN News’s Ana Carmo started by asking him about the importance of including the high seas in marine protection.