There is more evidence than we need. The last five years worth of new scientific studies tell us the situation is much worse than in 2007 and yet people around the world have so much more daily exposure than even five years ago. Exposures are linked to a variety of adverse health outcomes that may have significant public health consequences. When added across billions of people world-wide, no argument for the status quo can be persuasive now. In twenty-one technical chapters of this 2012 update, the contributing authors discuss the … Continue reading Do We Know Enough to Take Action?