Today’s Solutions: December 17, 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.

Creeping thyme on lawn

Six eco-friendly, edible ground cover alternatives to the grassy lawn

Given the environmentally intensive practices it takes to maintain, it’s high time the traditional lawn makes way for more sustainable alternatives, demands fewer resources, and can even make a great addition to your culinary ingredients. Replacing only part of your lawn with edible ground Read More...

Gas pump nozzle with gasoline or biofuel drop and growing green sprout symbolizing environmental friendliness, isolated. Ecological biofuel concept. 3D illustration

Bacteria-based biofuel offers higher energy density than jet fuel

At a time when the need to replace fossil fuels is urgent, it is amazing to see the results of human innovation and creativity to meet the challenge. Researchers at Berkeley Lab are working on a new producer of biofuel that produces a material that boasts an energy density far higher than jet Read More...

Side view of young mixed race woman applying sunscreen on shoulders in backyard of home on a sunny day

6 Reef-safe sunscreens to protect you and marine life

This summer’s record-breaking temperatures have us all searching for the best activities to beat the heat. One of our recent articles touts the brain benefits of swimming, which is a great way to keep cool and physically fit. If you do opt to take a dip, it’s important to protect yourself from Read More...

India bans single-use plastics

India bans single-use plastics

India experiences worse-than-average plastic pollution with single-use plastic water bottles and containers finding their way into streets and important waterways.  To rein in this pollution, the Indian government announced from the capital of New Delhi on Friday that it will be imposing a ban Read More...

Plastic sugar

This plastic alternative breaks down into sugar

While banning plastics is an important measure for curbing pollution, replacing plastics as a practical consumer material is important.  Researchers from the Swiss Federal Institute of Technology Lausanne have developed a plant-based alternative for plastics that decompose into Read More...

Beautiful turquoise lake in the Swiss Alps

Switzerland built a huge water battery to store surplus energy

Switzerland is famous for hosting a number of scientific and engineering marvels, such as the Large Hadron Collider. Now, engineers in Switzerland have achieved an incredible feat — building the world’s largest water battery. Located in the Swiss Alps, in a subterranean cavern in the Canton of Read More...

Humpback whales

Humpback whales share songs from different regions

Humans aren’t the only species that trade music and songs. Other intelligent animals can communicate complicated messages, like ravens and ants relaying to each other that there’s food or danger and where to find it. As it turns out, though, some species can also communicate, and share like Read More...

These microbes could help hone

These microbes could help honey bees thrive

As we like to remind our readers a lot at The Optimist Daily, honeybees are essential for our planet's ecosystem. Humans rely on these little pollinators for food security as they basically pollinate everything! Not to mention the countless other species that rely on plants to feed and for Read More...

How to keep your garden snake-

How to keep your garden snake-free

We decided to dust off this older story which offers some great solutions.  In many parts of the world, the summer is also snake season, and now is the time to be wary. There are plenty of different kinds of snakes. Some are harmless and actually help out their hosts by providing free pest Read More...

Pineapple leaves

3 amazing environmentally friendly leather alternatives

The global demand for leather takes a lot of cattle which are cruelly treated and contribute a great deal of greenhouse gasses. Not only that but the processes of tanning and crusting leather actually produce carcinogenic chemical runoff of dangerous heavy metals like chromium. These get into the Read More...