Michael Bloomberg contributes $4.5M to Paris climate accord

The money will help to cover the funding gap created when the U.S. withdrew from the worldwide pact last year.

By Katie Pyzyk • April 24, 2018

Survey: Mayors’ top concerns include infrastructure, climate change, opioids

Local leaders who responded to Bloomberg Philanthropies' 2018 American Mayors Survey also reported having to address global and national issues on their own with less federal or state support.

By Katie Pyzyk • April 24, 2018

Explore the Trendline➔

Top 5 stories from Smart Cities Dive

From worsening climate change to a shifting transportation landscape and the housing affordability crisis, cities have their work cut out for them.

By Smart Cities Dive staff

Local, state leaders launch 'We Are Taking Action' campaign to address climate change

The We Are Still In coalition will conduct working groups and panels throughout the year to discuss how to encourage more local climate action.

By Katie Pyzyk • April 23, 2018

NYC's Central Park becomes permanently car-free

Mayor Bill de Blasio said the move will prioritize "the safety and the health" of the millions of visitors who occupy the park.

By Kristin Musulin , Chris Teale • Updated June 28, 2018

Congress introduces $5.5M bill to modernize flood mapping

The bill would require FEMA to carry out a pilot program to "enhance the mapping of urban flooding" and share data with homeowners and businesses.

By Kristin Musulin • April 20, 2018

Lyft to make all rides carbon neutral through offset purchases

The commitment will be made through funding of emission mitigation efforts, which Lyft says is a "multi-million dollar investment in the first year alone."

By Kristin Musulin • April 20, 2018

Report: Future of DC-Baltimore region depends on AV adoption

University of Maryland researchers assessed the impact of autonomous vehicle growth as well as changing land-use and gas prices in the region.

By Chris Teale • April 20, 2018

Los Angeles, 6 other California cities top 'most polluted' list

The American Lung Association's 19th annual State of the Air report highlighted the U.S. cities that suffer most from ozone pollution.

By Kristin Musulin • April 19, 2018

Houston wants to become a top city ‘for startups and imaginative endeavors’

The city recently announced plans for a 9.4-acre innovation district, combining commercial properties, "iconic" public space and leading infrastructure.

By Kristin Musulin • April 17, 2018

10 finalists announced for EU smart tourism contest

The two winners will be announced in early November and will receive communication support for a year, a promotional video, a sculpture for their city centers and more.

By Chris Teale • Updated Aug. 22, 2018

San Francisco’s emergency sirens fixed after security bug found

The city's Department of Technology announced an upgrade to its 114 sirens, which alert residents to major incidents including storms, terrorism and earthquakes.

By Chris Teale • April 9, 2018

Seattle mayor releases climate action plan

Durkan's proposed ideas for the Emerald City include congestion pricing and more electric vehicle infrastructure as it looks to become carbon neutral by 2050.

By Katie Pyzyk • April 6, 2018

Cities are 3D printing their way to more sustainable futures

The disruptive, fascinating technology could revolutionize the construction industry and make cities' infrastructure more resilient and affordable.

By Katie Pyzyk • April 5, 2018

Report: Los Angeles ranked No. 1 in US for solar energy use

The city regained the top spot from San Diego, with the pair followed in the rankings by Honolulu, Phoenix and San Jose, CA.

By Chris Teale • April 5, 2018

State, city leaders oppose EPA fuel efficiency standards rollback

In a statement, the leaders note that all U.S. residents deserve fuel-efficient, low-emission vehicles to improve health and save money on gas. 

By Katie Pyzyk • April 4, 2018

NYC hires first chief privacy officer

Laura Negrón will be responsible for improving the city's data sharing and mining processes, and promoting citywide protocols on information collection.

By Kristin Musulin • April 4, 2018

Houston agency proposes new floodplain construction standards

The cost of building to these new standards is expected to range from $11,000 to $32,000 per structure.

By Kim Slowey • April 4, 2018

Atlanta still struggling to get out from ransomware attack's grip

Attackers appeared to change some documents, with some files tweaked to include "weapologize" and "imsorry."

By Samantha Schwartz • April 3, 2018

How the Women Led Cities initiative is amplifying female voices in city planning, design

The Philadelphia-based group aims to eliminate inequity that affects women and girls in urban settings.

By Katie Pyzyk • April 3, 2018

Blockchain could mean security, transparency for wide range of city services

The technology for managing transactions could be used in voting, waste management, parking and other areas, according to a panel of experts.

By Chris Teale • April 2, 2018

Gallup: Partisan gaps widen over climate change

Overall concern about climate change remains at near-record levels, but Democrats' and Republicans' views differ significantly.

By Katie Pyzyk • April 2, 2018

Cities look to short-term rental regulations to fix housing crises

Talk of a housing "crisis" has prompted some cities to place limits on home-sharing companies like Airbnb and Homeaway as they look to stave off low supply and high demand.

By Katie Pyzyk • April 2, 2018

$1M Knight Foundation grant to tackle sustainability, resiliency in Miami and Miami Beach

The three-year Harvard University Graduate School of Design study will examine Los Angeles, Boston and Detroit in future sessions.

By Katie Pyzyk • March 27, 2018

Gridlock woes: Traffic congestion by the numbers

102 hours — that's how much time residents in this city spend in their cars during peak hours. If you think it is New York, you are wrong.

By Katie Pyzyk • March 27, 2018

Why building a dynamic smart city requires an equally-dynamic network

The network supporting a city's smart technology must adapt intuitively to shift bandwidth accordingly when and where it’s most critical. 

By Daniele Loffreda • March 26, 2018