I'll be honest, I don't hold much hope for the ocean.

The evidence is brutally clear that they are slipping away from us — the compounding factors of intensive overfishing, chemical and material (think plastic) pollution, invasive species and global warming are adding up to more dead zones, more plastic continents, more devastated underwater landscapes, and more lost species.

Coral reef ecologist Jeremy Jackson gave a talk at TED that lays out the evidence.

We're killing them, the oceans. Every single day is another day closer to having seas full of nothing but seaweed and jelly fish.

Take 18 minutes and watch this.

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