There’s little doubt that air quality has generally improved in the US in recent decades, but quantifying that improvement has been difficult. However, a recently published University of North Carolina study might have produced a more tangible figure.
Tougher emissions rules helped cut US air pollution deaths in half
More of Today's Solutions
AI to the rescue: how technology slashes stillbirths and saves lives in Malawi
BY THE OPTIMIST DAILY EDITORIAL TEAM When Ellen Kaphamtengo, 18, experienced intense stomach pain late in her pregnancy, she trusted her intuition. With her ...
Read MoreSave the spirit guardians: Hawaiian crows get a fresh start on Maui
BY THE OPTIMIST DAILY EDITORIAL TEAM For the first time in decades, five Hawaiian crows, or 'alalā, are soaring freely on the lush slopes ...
Read MoreSingapore’s Seletar airport considers plans for electric flying taxis
Seletar Airport is the city-state of Singapore’s lesser known second airport. It’s a small airfield normally frequented only by private jets, but soon it ...
Read MoreVent to your friends without bringing them down with these expert-approved tips
We've all had days when everything seemed to go wrong. Workplace drama or an argument with a loved one can really get us fired ...
Read More
