4th Hamburg climate week

3rd Hamburg climate week

Hamburg Central Park

Homage

Hamburg Central Park

Online Petition

Hamburg School Authority

Extracurricular Classroom

urban land-use planning

online participation

urban land-use planning

online participation

Deepwater Horizon

oill spill illustration

admixture quote biofuels

rawmantic diorama

frisky Elmshorn coat of arms

Logo illustration for climate adaptation project