Today’s Solutions: December 15, 2025

In a prototype of an urban algae farm now on display in an exhibition in Kazakhstan, shows how algae could fit inside existing buildings where people live and work. Designers suspended coils of lightweight glass tubes from the ceiling, attached to pumps that visitors can press to send carbon dioxide into the algae and help it grow. The designers estimate that their aesthetically-pleasing prototype can efficiently produce an average of 672 grams of protein each day, the equivalent of what eight cows can produce in 660 days. The harvested algae could be used to produce energy for heating or electricity, or be sent off to be used in algae-based products.

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

Scientists build first fully human bone marrow model to revolutionize blood d...

BY THE OPTIMIST DAILY EDITORIAL TEAM In a transformative leap for regenerative medicine, scientists have developed the first entirely human-engineered bone marrow system. This ...

Read More

7 cold and flu season mistakes doctors want you to quit making

BY THE OPTIMIST DAILY EDITORIAL TEAM You’ve heard the warnings: cold and flu season is no joke. But despite our best intentions (and fully ...

Read More

Three ways we can repurpose closed department stores

40 percent of US department stores have closed their doors in the past five years, but the question remains: what do we do with ...

Read More

Hubble takes beautiful image of galaxies “dancing”

The Hubble Space Telescope ventured into space over three decades ago in 1990, and has observed around 50,000 celestial bodies to date. During this ...

Read More