"Urban canyons" prolong sonic booms in cities
Twenty years after the retirement of the Concorde, several industrial and research projects want to make supersonic flight a reality again. However, supersonic planes produce sonic booms loud enough to warrant noise concerns and regulations, limiting.....»»
Painting roofs white helps lower city heat, studies say
White or reflective paint is more effective at cooling cities than covering roofs in solar panels or greenery, scientists say, and could offer some relief on extremely hot summer days......»»
New research finds Dublin is second most expensive European city in which to build apartments
Dublin is the second most expensive place to build apartments, after Zurich, according to a new construction cost report covering 10 cities across Europe published today by Trinity College Dublin and the Society of Chartered Surveyors Ireland......»»
Compact cities found to have lower carbon emissions but poorer air quality, less green space and higher mortality rates
What types of cities exist in Europe and which are more favorable in terms of human health, environmental quality and carbon footprint? To answer these questions, a study led by the Barcelona Institute for Global Health (ISGlobal) has analyzed 919 Eu.....»»
Unveiling East Asia"s urban landscape: A massive mapping project illuminates 280 million buildings
Accurate and comprehensive building data is critical for urban management and planning. Existing datasets, such as those from Microsoft and OpenStreetMap, often lack completeness and accuracy in East Asia, limiting their utility for large-scale appli.....»»
Wastewater is a viable medium for growing lettuce in hydroponic systems, study shows
Urban agriculture has the potential to improve food security through local, efficient, and sustainable food production. Examples of urban food systems include hydroponics, where plants grow in a nutrient solution without soil, and aquaponics, which c.....»»
Model simulates urban flood risk with an eye to equity
Plans for flood mitigation along urban rivers often benefit some neighborhoods more than others. Researchers and collaborators in a densely populated California floodplain developed a way to help planners see how infrastructure designs, sea-level ris.....»»
How to cut stray cat numbers in a way that works better for everyone
Stray cats are a big problem across most Australian cities and towns. They cause many complaints related to nuisance behaviors and concerns about urban wildlife, as well as straining government resources. Ratepayers ultimately pay for the substantial.....»»
As No Mow May ends, here"s why we should keep patches of lawn permanently wild
Over the last century, nearly all of the UK's wildflower meadows have been destroyed by expanding farms, towns and cities. This loss of habitat has driven nature's decline, according to research led by birds and nature conservation charity the RSPB......»»
Study finds urban office buildings pump out volatile chemicals to the outdoors, comparable to traffic emissions
The air coming out of office buildings in urban areas may be more polluted than once believed, Purdue University researchers say......»»
Researcher uses satellite imagery to investigate ancient urbanism in eastern Africa
At the U of A's Center for Advanced Spatial Technologies, Wolfgang Alders, a National Science Foundation SBE Postdoctoral Fellow, is using satellite imagery and archaeological methods to better understand the origins of urban life on the eastern Afri.....»»
Health risks from global warming can help drive city climate action, study finds
Cities around the world were more likely to maintain climate action and enact "green recovery" long-term plans after the pandemic if local decision-makers were more alert to the health risks of climate change, a new global study has shown......»»
Only the Hardiest Trees Can Survive Today’s Urban Inferno
In a rapidly warming world, cities need more tree cover to stay cool—but only certain species can handle soaring temperatures, and often they aren’t native species......»»
What makes a "good farmer" in Aotearoa?
In New Zealand, farmers and the largely urban general public are held to have differing views on what is meant by being a "good farmer." Anecdotally, farmers see themselves as stewards of the land for future generations, using management practices th.....»»
Don’t Buy a House in These 5 US Cities That Have Shrinking Populations and Fewer Buyers
Don’t Buy a House in These 5 US Cities That Have Shrinking Populations and Fewer Buyers.....»»
Quantum Internet Demonstrations Debut in Three Cities
It’s a “big deal” to demonstrate entangled quantum networks outside a lab.....»»
Cities Are Switching to Electric Vehicles Faster Than Individuals
Electric trucks and sedans have proven popular with municipal fleets, but cities have also bought niche vehicles such as an electric Zamboni.....»»
Another US state repeals law that protected ISPs from municipal competition
With Minnesota repeal, number of states restricting public broadband falls to 16. Enlarge (credit: Getty Images | Yuichiro Chino) Minnesota this week eliminated two laws that made it harder for cities and towns to build.....»»
Urban water system theory 5.0 offers a systematic solution to complex urban water issues in China
The urban water system theory is the application and extension of watershed hydrological science to an urban scale. In a paper published in Science China Earth Sciences, a research group led by Chinese academician Xia Jun introduced the urban water s.....»»
Study details strategies for successful urban tree planting initiatives
Collaborative research led by the University of Massachusetts Amherst outlines five essential themes to promote equitable and sustainable urban tree planting initiatives (TPIs), which is especially timely given the $1.5 billion for urban and communit.....»»
ShotSpotter improves detection and response to gunfire, but doesn"t reduce crime, research finds
ShotSpotter gunfire detection technology has delivered as promised in terms of enabling police to quickly detect and respond to gunshots in two American cities, research from Northeastern University finds......»»