Quantifying building damage during war is difficult but key for understanding its extent and for determining the rebuilding efforts required. This study uses a satellite imaging technique to focus on building damage in Syrian and Ukrainian cities.

See Hou et al.

Air pollution from the shipping industry is a problem in coastal cities. This study finds that although small-particulate pollution has fallen in China’s port cities, such as Tianjin (pictured), due to shipping emissions reductions, mortality associated with long-term exposure has risen.

See Luo et al.

Trends in segregation continue to shape cities worldwide. Examining different aspects, Elbers writes about demographic changes across US metro regions and Maloutas examines how vertical segregation within buildings affects inequality.

See Elbers & Maloutas

The COVID-19 pandemic redefined the use of urban space worldwide. This systematic review considers how urban green space use, such as in this park in Singapore, changed in 60 countries and found disturbing disparities.

See Kleinschroth et al.

Heat waves are becoming increasingly common in cities worldwide. Geogescu et al. estimate the potential to reduce the exposure of US city populations to extreme heat by comparing two methods: adapting in-place and mitigating local climate-warming activities.

See Georgescu et al.