Sustainable Urban Development
With cities expected to host about 70 percent of the world's population, sustainable urban development is key to making communities worldwide more resilient against the growing threat of climate change. Find out about the latest urban practices from across the world aiming to make our cities more sustainable and inclusive in these good-news stories from The Optimist Daily.
Earth-friendly material filters pollutants out of stormwater
While it’s often overlooked, stormwater has great potential to solve the problem of strained water supplies in urban areas. One of the main reasons why this resource has gone mostly untapped is because stormwater picks up toxic chemicals as it runs through streets and gutters. Now that may no Read More...
London to start heating homes using ‘waste heat’ from the city’s underground
If you frequently commute via the metro, you’ve probably noticed the hot gusts of air that tend to blow out of train tunnels. In London, a new project seeks to harness the heat from the underground metro in order to heat homes in the north of the city during the colder months of the year. The Read More...
Instead of corrosive salt, researchers are using grape skins to de-ice roads
Sodium chloride (aka salt) is an important ingredient for helping get around in the winter. Spread on roads, it lowers the freezing point of ice, making it melt faster and making roads safer. The problem with using salt on roads But all that salt can also be harmful—not only is it corrosive Read More...
To prevent algorithmic bias, NYC has created a position to oversee ethics in AI
New York Mayor Bill de Blasio has taken a major step forward in ensuring that the city’s AI systems are fair and bias-free after creating a position dedicated entirely to overseeing the ethics of AI and other algorithms. AI systems are based on data, but the problem is bad data can contain Read More...
Mexico’s 3D-printed neighborhood for impoverished families is coming to life
On May 13th of this year, the top story of the Optimist Daily was about a nonprofit called New Story that had plans to build the world’s first 3D-printed neighborhood for poor people in Latin America. Well, we’re excited to tell you that the first homes of this neighborhood have been Read More...
This startup is building post-disaster housing using a giant assembly line
After two of the worst fires in California’s history tore through the state in the last three years, a housing startup by the name of FactoryOS knew it had to do something. The homes of thousands were incinerated by the flames of the fire, and the people who used to live in those homes were still Read More...
The beautiful design of vertical forests is spreading to cities across the globe
The forest and the city may seem like opposites, but what if our architecture could meld our cities with our natural spaces? This is what architect Stefano Boeri’s vertical forest attempts to do. His prototype in Milan features two residential buildings with 20,000 trees, shrubs and plants. Read More...
North Miami is creating a park that doubles as a tool for flood prevention
There is no state that is more aware of the potential threats that the climate crisis poses than Florida. In particular, flash floods and rising sea levels could potentially leave millions at risk. Fortunately, urban designers are starting to plan ahead before disaster strikes. In North Miami, the Read More...
This London building has the world's largest living wall
For some time already, climate scientists have highlighted that our built environment has the potential to help mitigate climate change, support adaptation, and improve public health. The general idea is that the way we design and develop our cities can have a long-lasting positive impact on the Read More...
This Texas village gives the homeless a permanent home and a sense of community
The world looks a little brighter from the front porch of your own home. It’s a sight more than 200 formerly homeless people are waking up to each morning at the Community First! Village – a planned suburbia in Austin, Texas which provides affordable, permanent housing and a supportive Read More...