<p>Oceans cover 70% of the Earth's surface, and make up 99% of its biosphere. They play a major role in our weather and climate, and provide food, livelihood and leisure for millions of people. For all that, we know remarkably little about them, and treat them as a limitless resource, and a limitless dump. <em>PRI's The World</em> covers the depth and breadth of the world's oceans to help our audience better understand and appreciate our relationship to the Earth's defining feature.</p>
One picture has people in Boston talking about climate change and rising sea levels. It shows an imagined future of the historic Back Bay neighborhood. And the future looks like Venice.