Today’s Solutions: May 09, 2026

Noise barriers along highways can be used as a source for clean energy. Used to dampen the loud sounds of traffic, these noise barriers just sit there, usually not even very pretty. So engineers at the Eindhoven University of Technology in the Netherlands created barriers with colored panels that receive light and direct it to the edges of the panels where solar cells harness the energy. Thanks to the colored panels, the sound barriers suddenly look stunning, too. The technology is currently being tested on Dutch highways.

Solutions News Source Print this article
More of Today's Solutions

MIT to publish free plans online for a cheap emergency ventilator

Imagine a class project from over a decade ago ended up holding the solution to a global issue? Well that's the case for a ...

Read More

The case for growing nectar-rich plants in your garden this spring

The nectar created by flowering plants is a significant food source for many of the critters we share our environment with. Those of us ...

Read More

New York schools commit to nurturing mental health through mindful breathing

Meet Noah Hill, a third-grader at Brooklyn's Dr. Ronald E. McNair Public School 5. He's discovered a simple yet significant technique for finding peace ...

Read More

The surprising power of penguin poop: how guano-made clouds may help cool the...

BY THE OPTIMIST DAILY EDITORIAL TEAM In the chilly heart of Antarctica, a bunch of tuxedoed waddlers may be doing more for the planet ...

Read More