An increasing proportion of greenhouse gas emissions is produced in urban areas in industrializing and developing countries. Recent research shows that per capita emissions in cities like Bangkok, Cape Town or Shanghai have already reached the level of cities like London, New York or Toronto....

Growing North-South tensions are impeding global climate cooperation and hampering Germany’s search for reliable partners. Brazil is a key actor with the potential to alleviate tensions: it sees itself as a bridge-builder and will host the Climate Change Conference in 2025 (COP30). Under their...