2009Dec4: Average pH levels in the world’s oceans have fallen from 8.21 at the start of the Industrial Age to an average 8.1 on the 1-to-14 pH scale, according to the IPCC (CS Monitor). A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is basic.
Reference: Christian Science Monitor http://features.csmonitor.com/environment/2009/12/04/global-warming-increases-acidity-in-alaskan-seas/
Image Description: Boat on the Arctic Sea. August 2006. Photo by Ville Miettinen. Image Location: Wikimedia Commons http://commons.wikimedia.org/wiki/File:Boat_on_the_Arctic_Sea_-_August_2006.jpg Image Permission: This file is licensed under the Creative Commons Attribution 2.0 License.
