WE PROPOSE TRAVEL SUPPORT FOR THE 18TH GEIA CONFERENCE. EMISSIONS SCIENCE FOR A HEALTHY ENVIRONMENT: THE INTERPLAY OF HUMAN VERSUS NATURAL INFLUENCES ON CLIMATE AND AIR QUALITY EMISSIONS. THE CONFERENCE WILL BE HELD 13-15 SEPTEMBER 2017 AT THE UNIVERSITY OF HAMBURG GERMANY. THE CONFERENCE WILL BRING TOGETHER THE GEIA GLOBAL COMMUNITY OF EMISSIONS EXPERTS AND USERS OF EMISSIONSINFORMATION TO ADVANCE UNDERSTANDING OF THE COMPLEX INTER-RELATIONSHIPS AMONG HUMAN AND NATURAL INFLUENCES ON CLIMATE AND AIR QUALITY EMISSIONS.