An “unprecedented” hurricane may bring three dangerous kinds of flooding all at once: rainfall, a storm surge, and overflow from a swollen Mississippi River.
Hurricane Barry largely spared New Orleans, but it underscored that climate change brings complex impacts and hard choices.
The U.S. government’s long-running Residential Energy Consumption Survey includes a lot of data on our A/C habits—and some surprises.
One-hundred-year storms, of the kind that wreaked havoc on the nation’s capital Monday, are expected to become 1-in-25-year events by mid-century.
Cities and states are trying to remove Bradford pears‚ but the “weed trees” have already intruded deep into some forests, a biologist warns.
Two millennia ago, an earthquake liquified the ground beneath an Egyptian port—a fate that could await other cities as sea levels rise.
The French capital is rolling out its new heat emergency procedures as Europe boils in a record-breaking heat wave.
Research on the connections between green space and criminal activity finds that park design and programming determines their impact on crime and safety.
The milkweed needed to stabilize the country’s monarch-butterfly population thrives in metropolitan areas—especially on residential land.
Five public buildings will get filtration systems to keep the air inside clean on days when smoke affects the city, Mayor Jenny Durkan announced last week.
How many squirrels live in New York City's Central Park? Finding the answer was surprisingly complicated.
Desalination is increasingly being used to provide drinking water around the globe. But it remains expensive and creates its own environmental problems.
In a booming city, the din of new construction and traffic can be intolerable. Enter Hush City, an app to map the sounds of silence.
The New York Botanical Garden pulls out all the stops for its new exhibit on Modernist garden designer Roberto Burle Marx.
Pollinators—the wildlife that shuffle pollen between flowers—are being decimated. But they may still thrive with enough help from urban humans.
With more conservative leadership moving in after elections, the Spanish capital’s pollution-fighting regulations on private vehicles may be in danger.
The city plans to fill some small but treasured sites with trees—a climate strategy that may also change the way Paris frames its architectural heritage.
The app will offer crisis navigation warnings and provide detailed visual information about hurricanes, tornadoes, and earthquakes.
Chicago is the only major U.S. city to use a new method to test for bacteria at most of its beaches—and then issue same-day swimming advisories.
A (mostly mythical) surge in visitors to the nuclear disaster site raises a question: Can mass tourism spoil a place that’s already famous for being uninhabitable?
Internal communications shed new light on the Rockefeller Foundation’s decision to stop funding the global climate nonprofit, and hint at what might come next.