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How Colombia’s outgoing president protected 42% of the country’s Amazon from mining

Dense green Amazon rainforest canopy photographed from above

September 14, 2026 in Circularity

BY THE OPTIMIST DAILY EDITORIAL TEAM On August 4, 2026, three days before he left office, Colombian President Gustavo Petro signed a resolution placing ...Read More

Podcast Transcript September 11th, 2026— NYC bans AI for 500,000 students, and seven other solutions

September 11, 2026 in Miscellaneous

Episode Description: An approach to treating degenerative blindness has been in development for more than ten years across research institutions in Spain. The result ...Read More

Heart failure and valve disease spotted in seconds by new AI ECG tool

Close-up of ECG electrodes attached to a bare chest for heart monitoring, with colored cables connecting to each pad on the torso.

September 11, 2026 in Artificial Intelligence

BY THE OPTIMIST DAILY EDITORIAL TEAM In a trial of 67,000 patients, an AI tool identified heart failure in up to 81 percent of ...Read More

How offshore wind foundations became accidental reef habitat

September 11, 2026 in Climate Action

BY THE OPTIMIST DAILY EDITORIAL TEAM When engineers drove 54 steel cylinders into the sandy seafloor southeast of Long Island to anchor Empire Wind ...Read More

New heart attack guidelines correct decades of under-diagnosis in women

Hands hold a red heart with a blue stethoscope, blue background, symbolizing heart health and medical care,

September 10, 2026 in Evergreen

BY THE OPTIMIST DAILY EDITORIAL TEAM The world’s four leading cardiovascular health organizations just agreed on a universal heart attack definition for the first ...Read More