Today’s Solutions: December 17, 2025

Electrical grids only function when electricity is being generated in the same amounts as it is consumed. About 96 percent of the world’s energy-storage capacity comes in the form of one technology: pumped hydro, which uses water and dams to generate energy on demand. A startup from Switzerland thinks it has a more efficient alternative to pumped hydro that involves stacking concrete blocks with cranes. Take a look here to see how this surpassingly effective energy storage system works.

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

Southern Sierra Miwuk Nation regains ancestral lands near Yosemite in major c...

BY THE OPTIMIST DAILY EDITORIAL TEAM Nearly 900 acres of ancestral territory have been officially returned to the Southern Sierra Miwuk Nation, marking a ...

Read More

8 fermented foods that your gut will love (and that taste great, too!) 

BY THE OPTIMIST DAILY EDITORIAL TEAM Fermented foods have been a dietary staple in many cultures for centuries, but in the U.S., they’re only ...

Read More

Breaking the silence: empowering menopausal women in the workplace

Addressing menopause in the workplace is long overdue in today's fast-changing work scene, where many are extending their careers into their 60s. According to ...

Read More

Insect migration: the hidden superhighway of the Pyrenees

Insects, while frequently disregarded, are critical to the planet's ecosystems. They make up about 90 percent of all animal species and play important functions ...

Read More