Henderson Island, in the South Pacific, is thousands of miles from any major industrial centers or human communities. But it's filled with trash — more than 37 million pieces of it, researchers say.
Jennifer Lavers/University of Tasmania
Tiny, shrimplike amphipods living in the Mariana Trench were contaminated at levels similar to those found in crabs living in waters fed by one of China's most polluted rivers.
Dr. Alan Jamieson/Newcastle University