The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. January 16, 2015 Study on World's Oceans Warns We May Be on a Precipice of a Major Extinction Event ----------------------------------------------------------------------------------- A major new scientific study has concluded humans are on the verge of causing unprecedented damage to the oceans and the animals living in them. The ecologist Douglas Mc Cauley, who wrote the study, said, "We may be sitting on a precipice of a major extinction event." The report said coral reefs have declined by 40 percent worldwide, and carbon emissions are altering the chemistry of seawater, making it more acidic. The study appears in the new issue of Science. .