The 9th European meeting on Solar Chemistry and Photocatalysis: Environmental Applications (SPEA 9) will be held in Strasbourg, France, on June 13–17, 2016 and will be organized by ICPEES at the Strasbourg Convention Center. Four-day SPEA 9 will offer a lively and convivial share platform for reporting on the most advanced research progresses in environmental photocatalysis and photochemistry for facing actual challenges and addressing major societal concerns on environment, sustainable chemistry and energy.