By Coral Davenport As much of the United States swelters under record ... new research shows the impact of heat on workers is spreading across the economy and lowering productivity.

Predictive maps show that 107 million Americans could see temperatures above 125 degrees Fahrenheit. The heat waves scorching the US this summer may just be the beginning of an extreme heat belt ...

The kind of extreme heat scorching the U.S. this summer isn't just uncomfortable — it also makes workers less productive and costs the U.S. billions of dollars in lost economic activity.

A dangerous heat wave that has wilted the south-central US spread across the country Wednesday ... It’s both a health and an economic crisis.” “Elderly, young children, people with certain ...

Rising extreme heat will make it increasingly hard for workers to do their jobs, shaving hundreds of billions of dollars off the U.S. economy each year. That’s according to a report published ...

and other areas estimated to cost the U.S. economy $100 billion annually. Excessive heat warnings are in place over parts of California, Nevada, and Arizona, where temperatures are expected to be ...

Experts previously told USA TODAY it's best to check in on those who may be vulnerable with heat.

You can get in touch with Anna by emailing a.skinner@newsweek.com. Languages: English. A heat map from the National Weather Service (NWS) shows that on Wednesday more than half of the U.S. was ...