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cities
Going Down: How Do Cities Carry That Weight?
Calculations show that the added weight of growing cities can lead to tens of millimeters of subsidence, an effect that needs to be considered for coastal cities under threat by sea-level rise.
Waterways Change as Cities Grow Nearby
Using multidecadal data sets, researchers have traced how urbanization affects streamflow across the continental United States.
Lyme Disease and the Dangers of the Forest Edge
Living near a forest edge may be an important risk factor for Lyme disease; these liminal spaces provide the perfect habitat for one of the black-legged tick’s favorite hosts.
Europe Targets 100 Climate-Neutral Cities by 2030
Europe is launching an ambitious mission to decarbonize many of its urban areas within a decade. But is it realistic?
Zero-valent Iron in the Oxidizing Atmosphere?
A comparative study of urban, semi-urban, and rural sites reveals that the species of atmospheric iron varies depending on location.
Converging on Solutions to Plan Sustainable Cities
Climate change will exacerbate the food, energy, water, health, and equity challenges that urban communities face, but cities also have opportunities to improve sustainability and outcomes.
Earth Observations Inform Cities’ Operations and Planning
Rio de Janeiro, Brazil, and Chicago, Ill., are using NASA Earth observations to map, monitor, and forecast water and air quality, urban heat island effects, landslide risks, and more.
Urban Land Could Increase Sixfold by 2100
Experts agree that as urbanization continues through the 21st century, cities need to focus on sustainable development to meet climate goals.
Great Lakes Cities’ Sewer Designs Mean Waste in the Waters
In older cities, a single system of pipes may transport sewage and stormwater runoff. As the climate crisis brings more intense storms, urban areas like Toronto are overhauling their drainage systems.