Today’s Solutions: June 21, 2026

The Mayor of London has come under increased pressure in recent weeks to bolster his plans to slash pollution after data revealed all Londoners are exposed to dangerous levels of toxic air. Sadiq Khan has outlined plans to introduce an Ultra-Low Emissions Zone in parts of the city, which will impose an additional charge on the most polluting vehicles.

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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

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Removable solar panels might soon be rolled out on railway tracks

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

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