Today’s Solutions: January 18, 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.

underwater seaweed moving with current

These seaweed-inspired sensors use underwater currents to power themselves

Ocean protection increasingly relies on the internet of things (IoT) to gather essential data with the help of a variety of marine distributed sensors underwater. Most of these devices, however, have always been highly dependent on batteries, which need to be regularly changed or recharged. Read More...

This sustainable pigment is ma

This sustainable pigment is made from sewage sludge

While it may be comforting to think that everything we send down the drain somehow magically disappears without leaving an ecological footprint behind, that is far from what actually happens. In reality, the process involves cleaning the waste at a treatment plant, where water is cleaned and Read More...

Algae wrapped in droplets impr

Algae wrapped in droplets improves efficiency of artificial photosynthesis

In our quest for the most sustainable, most renewable sources of energy, humanity continues to look to nature for inspiration. One of nature’s most efficient energy systems is photosynthesis, which is how plants convert sunlight, water, and carbon dioxide into chemical energy to fuel themselves. Read More...

Wildlife filmaker provides a u

Wildlife filmaker provides a unique insight into the daily lives of bees

You may have seen bees flying around your backyard or local park, but it can be difficult for the naked human eye to grasp the full complexity of the lives of these pollinators. During the pandemic, wildlife filmmaker Martin Dohrn decided to shed some light on the secret lives of bees. Filming Read More...

California grants leatherback

California grants leatherback sea turtles further protection

For decades, the population of the great Pacific leatherback turtle off the California coast has declined by 5.6 percent per year. To address this devastating loss, California’s Fish and Game Commission recently voted to list the turtle as endangered under the state’s own Endangered Species Read More...

Study: Algae can resurrect tad

Study: Algae can resurrect tadpole brain cells

Essential organisms such as plants, microalgae, and certain types of bacteria carry out photosynthesis. This key process releases oxygen into the atmosphere for the rest of us dependent species to feed off and carry out respiration. Every cell in every living thing on earth respires and is the Read More...

Eco-friendly ways to deal with

Eco-friendly ways to deal with your cat's kitty litter

Yesterday we wrote about the most eco-friendly ways dog owners can manage their furry companions' waste. Now, we will tackle the same topic, but for cat litter. Cat litter can be an incredible waste. It is often full of potentially harmful chemicals as well. Don’t fret, though. There are a few Read More...

EPA draws up a plan to regulat

EPA draws up a plan to regulate the use of dangerous “forever chemicals”

Back in 2016, the Obama administration enacted an unenforceable recommendation that limited the amount of polyfluoroalkyl and perfluoroalkyl substances (PFAS), otherwise known as “forever chemicals” for their inability to degrade in nature, to 70 parts per trillion or less in any given product. Read More...

This company takes drone-assis

This company takes drone-assisted reforestation to the next level

We’ve written about the use of drones for medical access, ecosystem restoration, and pollution-spotting, but Seattle-based DroneSeed has their own specific drone mission: reforesting after wildfires. The concept of using drones for reforestation isn’t new, but DroneSeed has perfected the Read More...

Hummingbird-like moth has the

Hummingbird-like moth has the longest tongue of any insect in the world

When Charles Darwin came across the long-necked Angraecum sesquipedale orchid species (also known as Darwin’s orchid) on the island of Madagascar, he had a curious thought: There must be an insect on the island with a tongue long enough to feed itself on the plant. “Good heavens,” he Read More...