On the Line is a weekly roundup of sourcing and labor quick hits in the apparel and footwear industry, from worker protests to boardroom maneuvering, tracking the developments shaping conditions on the factory floor and beyond.

Heating up

Heat stress from rising temperatures is taking a toll on worker health, safety and productivity in Ethiopia, Ghana, Lebanon, the Maldives, Senegal and Sri Lanka, with broader implications for the countries’ economies, a new set of studies from the International Labour Organization has found.

While “every single industry and every single workplace will stand to benefit from adapting workplaces to heat stress,” Andreas Floris, lead author of the studies, said at their launch on Thursday, the risks are most acute in countries with high levels of outdoor and labor-intensive employment.…