Today’s Solutions: December 20, 2025

Environment

Need some good news about the environment? The Optimist Daily is your go-to herald of positive environmental news, highlighting eco-friendly solutions and scientific progress around climate action, circularity, conservation, and more. Learn about everything eco in our Environment section.

This startup is building post-

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 vertic

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

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 w

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...

Red alert: How Extinction Rebe

Red alert: How Extinction Rebellion woke the world up to the climate crisis

In October, the journalist and activist George Monbiot introduced Extinction Rebellion to the British press as a homegrown movement  “devoted to disruptive, non-violent disobedience in protest against ecological collapse”. The hope was to turn a national uprising into an international one by Read More...

This Texas village gives the h

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...

Every Sunday in Colombia’s c

Every Sunday in Colombia’s capital is car-free—and people love it

Cars may be the champion of travel on rural roads, but they are a pain in the ass in cities, creating congested streets and polluted air that pedestrians have to travel through. This is especially the case in the buzzing capital of Colombia, which is home to more than 1,600,000 private cars. Read More...

How this LA community kicked a

How this LA community kicked an oil drilling facility out of their backyards

Los Angeles is a city pockmarked with oil facilities. There are about 1,000 active wells in the city, and in some places, the oil facilities are so close to people’s homes that you can put one hand on a bedroom window and the other on the facility wall. The oil site on Jefferson Boulevard, Read More...

These former gang rivals are h

These former gang rivals are helping Dallas youth escape gang violence

Antong Lucky and Def D had nearly identical childhoods: both were raised in underprivileged neighborhoods in Dallas, both experienced gang violence at an early age, and both had family members who were in gangs. There was, however, one notable difference: they were raised one mile apart, in Read More...

Miami launches app that reward

Miami launches app that rewards citizens for ditching their cars at home

If you take the bus to work instead of driving a car, you can feel a bit of some self-satisfaction knowing your commute isn’t so harmful to the planet. But that’s about all you get—unless you live in Miami. This week, Miami Mayor Carlos Gimenez announced a new app called Velocia that Read More...