The conference is about the combined impact of changes in climate, land use and air pollution on the highly invasive weed Ambrosia artemisiifolia (common ragweed) and its consequences on health.It will take place at the Committee of the Regions, with the Atopica consortium reporting to journalists, policy makers, members of parliament and interested citizens. The conference will be a two-day event featuring talks by Atopica members, invited speakers and will include workshops, posters and round table sessions. Registration is open now and attendance for the conference is free!