Nick Lubecki has been an urban farmer in Pittsburgh for the last 15 years. The heat has noticeably intensified over that time, with back-to-back summers of sweltering temperatures affecting when he harvests produce at Braddock Farm, a small urban plot nestled next to an operating steel mill that grows vegetables like lettuce, collards, and tomatoes. His current strategy for beating the brutal heat: a wide brim hat and plenty of water. Lately, farming consistently throughout the day has been “significantly more exhausting,” he said. “It’s really hard to keep going.”
Summers are getting hotter everywhere, and that is especially true in cities including Pittsburgh, which this year has seen more than four times the number of days over 90 degrees Fahrenheit than it does in a typical year. That’s due in part to the urban heat island effect, in which a city’s infrastructure traps heat, making it hotter than in neighboring suburbs. To combat the growing health risks for outdoor workers like Lubecki, scientists and designers are developing a slate of new fabrics to counteract extreme heat. But worker-safety specia... Read more