What's a marine biologist doing talking about world hunger? Well, says Jackie Savitz, fixing the world's oceans might just help to feed the planet's billion hungriest people. In an eye-opening talk, Savitz tells us what’s really going on in our global fisheries right now — it’s not good — and offers smart suggestions of how we can help them heal...

Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.

Hundreds of millions of people depend on the oceans for their livelihoods and more than 3 billion rely on them for a protein source. However, the world’s oceans are so vast that they are prone to abuses like overfishing, illegal fishing and human trafficking on a global scale. Savitz shows how a new tool, using big data and cloud computing, can ...