A delivery in Wilmington, N.C., this month. Heat is linked to hundreds of workplace deaths each year, but labor groups say the true toll is unknown because heat-related illnesses are not properly tracked or reported.
A favorite vacation option may be at risk because of rising temperatures. Even those sticking with their summer plans agree: More air conditioning would help.
Riding a hot train in London on June 24. Average temperatures across Western Europe last month were 3.05 degrees Celsius, or 5.5 degrees Fahrenheit, above the mean from recent decades.
As triple-digit temperatures engulf much of the United States, the Trump administration wants grid managers to require the use of backup power that often goes unused.
The energy secretary has asked grid managers to require data centers to use backup power when electrical systems are under strain during the heat wave.
The lawsuit aims to hold fossil fuel companies responsible for a heat wave in Portland five years ago. The industry says the case should be thrown out.
Morning commuters on the London Bridge on Wednesday, where temperatures reached 96 degrees Fahrenheit, the hottest recorded June day in the United Kingdom.
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