UK cities are implementing advanced noise detection systems to enhance emergency response times and potentially save more lives

sound detector

Author | Elvira Esparza Sound detectors trigger instant alerts upon identifying unusual acoustic signals, such as gunshots or cries for help. This enables emergency services to respond more rapidly while simultaneously enhancing public safety in smart cities and high-risk environments. Their use is being expanded in select cities to enhance public safety and security. These […]

Biofuel for the aeronautical industry: What are the pros, cons, and impact on cities?

Sustainable Aviation Fuel

Author | Lucía Burbano Sustainable Aviation Fuel (SAF) is widely regarded as the most realistic alternative for decarbonizing the aviation sector, which is responsible for 12% of CO2 emissions in transportation and 2% of global CO2 emissions. The construction of biofuel production plants is becoming increasingly common in the aeronautical sector, presenting both potential solutions […]

Tallinn, Estonia, wants to replace landfilling with circular economy

Author | Elvira Esparza Tallinn, the capital of Estonia, is renowned for its well-preserved medieval architecture and its status as a UNESCO World Heritage Site. However, beyond its historical charm, Tallinn is also deeply committed to environmental sustainability, a dedication that earned it the title of European Green Capital in 2023. Tallinn earned this recognition […]

How London’s electric buses are reducing the city’s carbon footprint

Author | Elvira Esparza London has the largest fleet of zero-emission buses in Europe, with over 1,300 electric buses forming part of its extensive fleet of 9,000 vehicles. The goal is for all buses in London to be zero-emission by 2030, requiring the replacement of an average of 1,000 conventional buses annually. Transport for London […]

Drones to the rescue: How these devices are easing the impact of hurricanes and other disasters

Author | Elvira Esparza The use of drones in disasters such as floods, fires, earthquakes, and hurricanes has enabled efficient mapping of damage, accelerated search operations, facilitated survivor rescues, and allowed for rapid assessment of infrastructure conditions. However, regulatory and capacity limitations pose challenges, preventing the full utilization of drones in disaster response efforts. Originally […]

Dubai’s innovative urban cooling technology: How district cooling works

Author | Lucía Burbano Beyond waste management or pedestrianizing streets, cities in extreme environments face the unique challenge of providing reliable heating or cooling for public and private buildings. This can be achieved through renewable energy sources or innovative methods like recycling waste. In cities like Stockholm or New York, strategies center on combating cold […]