A 2022 report said many Kuwait City residents were deficient in this vitamin, as extreme heat kept them indoors
Vitamin D
"Scouting was born" on Brownsea Island in 1907 as 22 boys pitched tents & Lord Baden-Powell told yarns around this heat source
Campfire
Guys who can't wait to start firing idiomatically go in "with guns" this hot way
Blazing
Heating "effect" that's at the root of global warming
Green House Effect
Most of Las Vegas' drinking water comes from Lake Mead, the reservoir created in 1936 by this dam
Hoover
This cool admonition to calm down has been paired with Netflix
Chill
This city's History Museum displays a nearly 7-ton metal blob of nails & other hardware melted in a store basement in 1871
Chicago
Days are hot (800 or so), but the planet Mercury has only a "tenuous" one of these to hold the heat, so take a coat for the -290 nights
Atmosphere
One hot summer day in 2016, the Boston Globe punningly wrote, "Gimme" this, a likely homage to the Stones
Gimme Swelter
Heatstroke can occur when this process of eliminating the body's salts ceases
Sweating
Along the Columbia River, stepped pools called fish ladders enable these fish to bypass dams & travel upstream to spawn
Salmon
It's the geographic area above the circle of latitude at 66 1/2 degrees north
Arctic Circle
2024 was brutal in Bangkok, as the oceanic pattern known by this childish name helped induce deadly heat levels
El NiƱo
A Yiddish word for "to sweat", as a noun it's a steam bath--after lunch, we'll go, we'll take a...
Schvitz
Meaning "caused by heat", it's found before "spring" or "underwear"
Thermal
This unit of heat measurement is also used by nutritionists
Calorie
Primarily staffed by civilians, this permanent branch of the Army operates & maintains about 740 dams across the USA
Army Corps of Engineers
Meaning briskly cold, it's also a frozen dessert from Wendy's
Frosty
As part of a heat-reduction plan, Athens is employing one of these built by the Romans to irrigate a "cool corridor"
An Aquaduct
A landmark in this Southern city with an industrial legacy, Sloss Furnaces ran for decades turning ore into iron at 3,800 degrees
Birmingham
One of Dan Patrick's catchphrases at ESPN was this, Spanish for "on fire"
En Fuego
This form of energy, from the Greek for "Earth Heat", is the Earth's natural heat which warms buildings in Klamath Falls, Boise & Reykjavik
Geothermal
Director Jean-Luc Godard was a worker on the Grande Dixence Dam & made a film about it, "Operation" this weighty material
Concrete
A poem by William Carlos Williams begins, "I have eaten the plums that were in" this, not the refrigerator--it was 1934
The Icebox
Dating to Roman times & host of a World's Fair 2 millennia later, it's been called "the Iberian oven"
Seville (Sevilla), Spain
1/3 of the USA's 90 or so commercial nuclear reactors are BWRs, BW short for this, which probably happened in your kitchen today
Boiling Water
7-letter medical adjective that means "running a temperature"
Febrile or Fevered
Temperature depends on the average kinetic energy of these; the more active, the more heat
Molecules (or atoms)
The Nurek Dam in this Asian country, the smallest of the -stans, was the world's tallest dam until 2013, when China took the lead
Tajikistan
Originally a nautical term meaning closer to the wind, it means to be unfriendly or reserved, distant & uninvolved
Aloof