British rivers are so polluted with waste almost all samples contain microplastics, and one is choked with a higher concentration of plastic than the "Great Pacific Garbage Patch", a report has found.
Only 37 percent of the world's longest rivers remain unimpeded and free-flowing from their source to where they empty, according to a study published today in Nature.
Too much nitrogen killed off corals in the Keys, and, as reefs suffer around the world, this new research offers lessons learned in Florida that could save other nutrient-loaded corals
As warming waters and acidification threaten corals around the world, scientists are gathering clues to save the charismatic colonies and bolster biodiversity
