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. October 27, 2016 WWF: Two-Thirds of World's Wildlife Could Be Gone by 2020 in "Sixth Extinction" ------------------------------------------------------------------------------- A shocking new study by the World Wildlife Fund finds more than two-thirds of the world's wildlife could be gone by 2020. According to WWF, there has already been a 58 percent overall decline in the numbers of fish, mammals, birds and reptiles worldwide. WWF conservation scientist Martin Taylor told CNN, "This is definitely human impact, we're in the sixth mass extinction. There's only been five before this, and we're definitely in the sixth." Topics:Environment .