Paul Engler is the director of the Center for the Working Poor in Los Angeles, movement director at the Ayni Institute, and co-author, with Mark Engler, of "This Is An Uprising."
The tiny particles have been linked with widespread environmental damage, as well as cancers and a range of adverse health impacts related to the lungs and heart.
More than 75,000 Kaiser Permanente employees in six states and Washington, D.C. are set to stop working for three days starting Wednesday to protest unfair working conditions and unsafe staffing levels.