Today’s Solutions: December 22, 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 brand grows its carbon-ne

This brand grows its carbon-negative packaging from mycelium

To further minimize its impact on the environment, French brand Amen is now shipping its candles in carbon-negative packing made from mycelium and agricultural waste. Amen is already known as a sustainable luxury brand. They use natural wax from vegetable oil to make candles rather than an animal Read More...

Levi’s is launching a market

Levi’s is launching a marketplace for your old jeans

Have an old pair of Levi’s jeans lying around? It could fetch you up to $25 if you bring it back to one of the brand’s US stores. In an attempt to embrace the circular economy, Levi has launched a new program in which the company buys old Levi’s jeans, cleans them, and sells them in a new Read More...

Adidas and Stella McCartney to

Adidas and Stella McCartney to sell products made of fungus leather by 2021

Recently, we covered a study that documented the incredible potential of fungi to replace animal-derived leather with a more eco-friendly and cost-effective alternative. Now giant retailers are joining forces to bring this bio-material to scale by investing significant amounts of money in a Read More...

3D-printed decoy eggs are trac

3D-printed decoy eggs are tracking down illegal wildlife traffickers

Kim Williams-Guillén became inspired to create decoy turtle eggs after watching a TV show called The Wire. In one episode, two police officers plant an audio device in a tennis ball to record a suspected drug dealer. Williams-Guillén had her "aha" moment while watching this, and was inspired to Read More...

Pilot program uses e-bikes to

Pilot program uses e-bikes to remove emissions from delivery in Brazil

The city of São Paulo in Brazil is full of hills, making it not the most bike-friendly city. That’s why when you order food there, it’s probably going to arrive via motorcycle, which is one of the main contributors to the city’s serious air pollution problem. A new pilot from iFood Read More...

Tasmanian Devils make a comeba

Tasmanian Devils make a comeback to Australia’s mainland after 3,000 years

You may be familiar with the Tasmanian devil from silly cartoons, but in real life, the story is much more serious. The Tasmanian devil is classified as an endangered species, and their numbers have dwindled over the past two decades in their home island state of Tasmania. In an effort to boost Read More...

PlanetCare device catches micr

PlanetCare device catches microfibers released by your washing machine

Every time you wash your clothes in a washing machine, small microfibers and microplastics are released into wastewater and eventually make their way to our water systems. Fortunately, PlanetCare is here to catch these polluting particles so you can do laundry with a little more peace of Read More...

Bird-watching: These 3 tools l

Bird-watching: These 3 tools let you track migratory birds near you

Running out of entertainment options as the pandemic continues to trudge onward? Now is the perfect time to take up bird-watching! Yes, this is the time of year where many birds migrate long distances to make a temporary home in a different climate, which means there’s a good chance that some Read More...

This is how climate-resilient

This is how climate-resilient neighborhoods might look in the future

Building resilient neighborhoods is key in enabling our growing cities to adapt to the threats of climate change. The Norwegian city of Bergen is well aware of this. That’s why it has recently devised plans to develop a former port area at the edge of the city into a regenerative, zero-emissions Read More...

Cambridge just dropped its $4.

Cambridge just dropped its $4.5 billion endowments from fossil fuels

More and more universities are choosing to divest from fossil fuels, but the University of Cambridge is going one step further and decarbonizing its entire portfolio. Just last week, Cambridge announced it will drop its $4.5 billion endowments from fossil fuels and reduce its holdings in companies Read More...