Today’s Solutions: April 22, 2026

In Brief In 2011, the Department of Energy set a target of bringing the cost of solar energy down to six cents per kilowatt-hour by 2020, It’s now been confirmed that goal has already been accomplished. The Department of Energy (DOE) has announced that utility-grade solar panels have now reached cost targets that were set for 2020.

Print this article
More of Today's Solutions

Germany’s coal mines are now Europe’s largest lake district

BY THE OPTIMIST DAILY EDITORIAL TEAM When the last miners left the open-cast lignite pits of eastern Germany’s Lusatia region, they left behind craters ...

Read More

The sensory superpower that lets seals hunt in total darkness

BY THE OPTIMIST DAILY EDITORIAL TEAM When a fish moves through water, it doesn’t simply pass through and vanish. It leaves a trail of ...

Read More

AI helps restore Rembrandt masterpiece that was disfigured 300 years ago

In 1715, three-quarters of a century after Rembrandt painted it, The Night Watch was greatly disfigured when it was moved from its original location ...

Read More

A new way to stack bricks could help clean Bangladesh’s air

BY THE OPTIMIST DAILY EDITORIAL TEAM In the cool, dry winters of Bangladesh, the country’s 8,000-plus brick kilns roar to life. Coal-fed and open-air, ...

Read More