Today’s Solutions: December 19, 2025

For solar systems to truly be cost-effective for homeowners, having an energy storage system is key. Storage systems like the Tesla Powerwall allow homeowners to save any surplus of solar energy and use it at a later time like at night. As home storage systems continue to become more economical, expect more homeowners to opt for solar instead of relying on the grid.

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More of Today's Solutions

New method uses sound waves to map soil health, stop famine, and restore farm...

BY THE OPTIMIST DAILY EDITORIAL TEAM Across the world, soil scientists are trading in their shovels for something unexpected: seismic sensors. In a breakthrough ...

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This simple 15-minute mindset exercise can ease anxiety, science shows

BY THE OPTIMIST DAILY EDITORIAL TEAM A growing body of research is revealing how a short, simple activity that is done in just 15 ...

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3 habits of the happiest people

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Changemakers of the week: GRuB and SparkNJ

Every day on the Optimist Daily, we report on solutions from around the world. Though we love solutions big and small, the ones that ...

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