Executive summary The 2022 report of the Lancet Countdown is published as the world
confronts profound and concurrent systemic shocks. Countries and health systems continue …

In the past two decades, record-breaking heatwaves have caused an increasing number of
heat-related deaths, including heatstroke, globally. Heatstroke is a heat illness characterized …

Heat extremes (ie, heatwaves) already have a serious impact on human health, with ageing,
poverty, and chronic illnesses as aggravating factors. As the global community seeks to …

Background: As atmospheric greenhouse gas concentrations continue to rise, temperature
and humidity will increase further, causing potentially dire increases in human heat stress …

A wet-bulb temperature of 35° C has been theorized to be the limit to human adaptability to
extreme heat, a growing concern in the face of continued and predicted accelerated climate …

As our planet warms, a critical research question is when and where temperatures will
exceed the limits of what the human body can tolerate. Past modeling efforts have …

Elevated air movement produced by fans can offset air-conditioning energy requirements by
allowing temperature setpoints to be raised without compromising thermal comfort. These …

The present comprehensive review (i) summarizes the current knowledge on the impacts of
occupational heat stress on outdoor workers,(ii) provides a historical background on this …

Urban overheating, driven by global climate change and urban development, is a major
contemporary challenge that substantially impacts urban livability and sustainability …

25 At no other time in history has the importance of understanding and reducing the impacts
of 26 extreme heat on health been so vital. Climate change, an aging population, urban …