Today’s Solutions: January 13, 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.

Solar Panel Manufacturing

Researchers use new AI to advance solar cell manufacturing

Solar energy is becoming more affordable and easier to produce every day. As the market grows, so too is the field of research. Solar scientists have been working with perovskites, a family of mineral and ceramic materials that are a top contender to replace silicon as the next level up in Read More...

Nuevo Laredo and Laredo city on a map

Sister Cities along Mexico-US border to construct a binational eco-park

The border towns of Laredo, Texas, and Nuevo Laredo, Tamaulipas, Mexico, also known as the “Sister Cities,” are working together on a bold project: a binational river park to be developed where there was going to be a concrete and steel border wall. The plan to construct the wall (which Read More...

Close up photograph of an oval-squid in front of a blue background.

For the first time, scientists have recorded squids' camouflage abilities

Octopus and cuttlefish are known for their impressive ability to camouflage into their surroundings, changing the color of their skin to escape their predators and catch unsuspecting prey. Squids are cephalopods like octopus and cuttlefish, so one could assume they can camouflage too. However, Read More...

Desert animal shelter

This MIT team designed a desert shelter for humans and animals

We have often written about animal agencies at The Optimist Daily and sharing our space on the planet with our furry or winged neighbors. It’s important to recognize the rights of nature and cohabitate with animals as peacefully as possible, but a design team from MIT just took it to the next Read More...

Happy Earth Day

Love and Action: Happy Earth Day!

“There are no passengers on Spaceship Earth. We are all crew.” — Marshall McLuhan, philosopher   As far as we know, Earth is the best place in the Universe.  The search for life beyond our planet and even our solar system is ongoing, and one day we could very well make the Read More...

bird's eye view of large solar park in Greece

Greece is home to Europe’s largest double-sided solar farm

In April 2022, the Greek Prime Minister Kyriakos Mitsotakis inaugurated an enormous two-sided 204-megawatt solar park—the biggest system in all of Europe. The installation of this bifacial solar farm is part of Greece’s aim to double its installed capacity from renewables to approximately 19 Read More...

Viv for your V

Viv for your V: championing sustainable periods for menstruators everywhere

Here at The Optimist Daily, we are always excited to feature solutions that elegantly address multiple problems at once. That’s why we were so pleased to interview Katie Diasti, the founder of earth-friendly period care company Viv for your V on our podcast, The Optimist Daily Update. The Read More...

Shipping container lifted by crane at port

This startup proves that electric cargo ships actually make sense

Designing solutions targeting the shipping industry’s humongous carbon footprint is key to ensuring a sustainable future for sea transport. While we’ve seen such solutions in ships that replaced fossil fuels with hydrogen, most experts argue that it’s not feasible to design electric cargo Read More...

six different mascara wands lay against a bright yellow background

Wait! Don’t throw out old mascara wands, send them here instead

For all mascara users out there, there may be a better destination for your old, dried-out mascara wands than a stinking landfill—the nearest wildlife rehabilitation center! That’s right, when teeny tiny animals (like cute baby birds or squirrels) are rescued, their fur or skin can sometimes Read More...

Scottish Forests

Scottish forests are the biggest they’ve been in 900 years

Scotland is a proud and iconic country, with a unique culture and landscape. Travelers from all over the world come to visit Scotland’s highlands, lowlands, and lochs. Another invaluable part of the Scottish wilderness, largely and unfortunately overlooked by visitors, is its Read More...