Today’s Solutions: December 17, 2025

After much number-crunching, there’s now a clear roadmap for 139 countries to supply all the world’s energy needed in 2050 by using wind, water and sunlight. Researchers at Stanford University and the University of California collaborated to first analyze how much energy each country would need by mid-century, and then to calculate how renewable energy could cover those needs, where it could go, and how much it would cost. Mark Z. Jacobson, director of the Atmosphere/Energy Program at Stanford University, concludes: “These are basically plans showing it’s technically and economically feasible to change the energy infrastructure of all of these different countries.”

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