Today’s Solutions: December 23, 2024

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.

Norwegian cohousing encourages

Norwegian cohousing encourages social connection and sustainable living

After the pandemic years of alienation from each other, the downfalls of the once sought-after single-nuclear-family housing are becoming clearer. Not only is it financially impractical and ecologically damaging, but it’s isolating, and discourages the building of strong local communities. With Read More...

Crow in mid flight through snow

Crows help rid this Swedish city's streets of cigarette butts

A startup in the Swedish city of Södertälje, which is located near Stockholm, has recruited the help of local crows to pick up discarded cigarette butts from the city’s streets and public spaces. In fact, there’s a movement afoot in places as varied as California and the Netherlands to ban Read More...

Close up to blue plastic pipe background, PVC pipes stacked in warehouse

Ingenious chemical process turns non-recyclable PVC into useful materials

Chemical advances continue to bring new materials into the domain of recyclability, and new research from a team at the University of Michigan has targeted one of the most difficult to reuse. The researchers created a method for transforming scrap PVC (polyvinyl chloride) into useable items, which Read More...

Floating rotating turnable solar panels. Large scale Sustainable energy solar system. The Netherlands.

These innovative solar panels stalk the sun across the sky

In order to get the most out of its energy, a Portuguese company's sustainable solution stalks the Sun as it journeys across the sky. SolarisFloat has created an innovative floating solar system that is unlike the many others that are currently stationed in bodies of water across the world. The Read More...

Black 3d car on road, highway. Daylight. Very fast driving. 3d rendering.

Detroit’s two new EV-charging roads will let drivers power up on the go

Last year, The Optimist Daily wrote an article about how the state government in Indiana was testing roads that could charge EV vehicles while they were being driven. Now, it seems this technology is leaping forward in Detroit. Inductive charging technology is being connected to two short Read More...

Separated egg white and yolks into two bowls and broken egg shells are at background

Are egg whites the missing ingredient for cheap effective water filtration?

As microplastic contamination and the lack of drinkable water worsen, finding efficient technologies to filter and desalinate seawater becomes increasingly vital. A novel airgel, fabricated from egg whites, shows great promise. An egg-citing concept Professor Craig Arnold of Princeton University Read More...

Bristol college students and schoolchildren carrying climate change placards and signs are pictured taking part in a climate change protest

For the first time ever young people have a "seat at the table" at COP27

This year's United Nations Climate Change Conference in Egypt, more commonly referred to as COP27, is the first ever to give children an official platform: the Children and Youth Pavilion. Considering how young activists like Vanessa Nakate and Greta Thunberg have led the climate campaign in Read More...

Solar panels on the parking lot near a supermarket on a sunny day in Avignon, Provence, France. Electricity and shade for cars at the same time.

France mandates that all large parking lots be outfitted with solar panels

Last week, the French Senate passed legislation mandating the installation of solar panels on all new and current parking lots with room for at least 80 vehicles— an enormous boost for solar power. Doubling solar and wind energy The new provisions are part of French President Emmanuel Macron's Read More...

Wind Turbines Windmill Energy Farm

Could wind turbines capture CO2 while generating clean energy?

Wind turbines have long been one of the primary sources of clean energy. While they have not been without controversy over the years, they are widely acknowledged as a planet- and people-friendly answer to climate change when compared to other green energy sources. Soon, they may be able to Read More...

Young asian woman at solar power station

6 reasons to be optimistic about COP27

This year, the effects of the climate crisis have become even harder to deny – from flooding in Bangladesh and Pakistan to soaring temperatures in the UK – it’s clear that there is a lot on the line as we prepare for another crucial climate conference. From November 6 to 18, Egypt will Read More...