WHO press conference to launch new global and regional data on air pollution and health. EMBARGOED until 25 March 2014 at 00.01 GMT. Maria Neira, WHO Director for Public Health, Environmental and Social Determinants of Health Carlos Dora, WHO Coordinator for Public Health, Environmental and Social Determinants of Health Annette Pruss-Ustun, Scientist, WHO Public Health, Environmental and Social Determinants of Health