Today’s Solutions: June 21, 2026

Algae will be a big part of any sustainable future. It absorbs carbon dioxide, like plants. It can survive in saltwater and wastewater, saving freshwater resources for human needs. It can be cultivated in shallow pools built and maintained in regions spare of farmable land. It grows quickly, needs little fertilizer and requires no pesticides. Algae can power cars, ships and planes, and feed cattle—as well as people. A good overview of the promise of algae innovation by Popular Science.

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

A study of 100,000 people found we cooperate more than we think

BY THE OPTIMIST DAILY EDITORIAL TEAM In a standardized behavioral experiment run with more than 100,000 people across 125 countries, 69 percent of participants ...

Read More

Historic ILO vote gives gig workers labour rights for the first time

BY THE OPTIMIST DAILY EDITORIAL TEAM For the first time, gig workers have binding international labour protections. The International Labour Organization voted June 12 ...

Read More

Removable solar panels might soon be rolled out on railway tracks

Solar panels are being laid out "like carpet" across Swiss train rails as part of the country's renewable energy initiative. Swiss startup company Sun-Ways ...

Read More

Meet Susan Murabana, the astronomer bringing the cosmos to Kenyan youth

A celestial display unfolds beneath the velvety African night sky, amidst the peace of Kenya's isolated Samburu county. It’s 1:30 AM in mid-August, and ...

Read More