Urban tree classification is still a challenge for remote sensing, particularly in heterogeneous urban environments where tree genera are highly diverse and existing inventories often provide incomplete coverage. In our new study, we explore the potential of very...

The Cobalt Magnet: Rapid Urbanization and MigrationAn incredible amount of the technology we rely on every day – from smartphones to lithium-ion batteries in electric vehicles – depends heavily on one single metal: cobalt. With more than 60% of the world's...

What began with a diploma thesis by Nicolas J. Kraff on the physical structure of slums in Mumbai, India, in 2011 has now culminated in a globally distributed dataset of building footprints covering 44 poverty and informal settlement areas across four...