Every year, the UN campaigns to raise awareness about environmental issues like marine pollution ... the most beautiful — and heartbreaking — images of our planet and its flora and fauna.

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 ...

The consequences are equally wide-ranging: pollution in the marine environment can threaten the livelihoods of coastal communities and associated industries, pose a risk to human health through ...