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Wendell Lifford, who previously lived with a drug use disorder and helps run a drug addiction program at a local facility called House of Change, hugs another man, in the Sandtown neighborhood, in Baltimore, Maryland, on June 7, 2019.
Urbanization

From Athens to Rio de Janeiro, How Cities Are Reducing Drug-Related Harms

As illicit drug markets create new risks and challenge health systems' capacity to respond, city leaders are pioneering new approaches to save lives

A building is pictured through trees amid heave smog on a polluted day, in Beijing, China, on December 2, 2018.
Urbanization

Light Pollution Reshapes Growing Seasons 

A study finds artificial light at night can extend plant growing seasons, possibly altering ecosystems and public health