Today’s Solutions: June 21, 2026

Last week, the team that launched SolarCoin, billed as the first clean energy digital currency (as in a solar bitcoin), kicked off Greeneum. This blockchain project aims to leverage digital currency in order to boost the generation and consumption of renewables and allow for decentralized energy trading between utilities, producers grid operators, and consumers.

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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 ...

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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 ...

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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 ...

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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 ...

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