To stand at the edge of an ocean is to face an eternity of waves and water, a shroud covering seven-tenths of the Earth. Hidden below are mountain ranges and canyons that rival anything on land.

Human activities are threatening the health of the world's oceans. More than 80 percent of marine pollution comes from land-based activities. From coral bleaching to sea level rise, entire marine ...

And that is just on land. The effects to our oceans will be equally extreme, with ocean acidification and rising sea levels ...

Plastic accumulating in our oceans and on our beaches has become a global crisis. Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean ...