1930's radie RF caused the dust bowl
When President Franklin Roosevelt, sitting in the White House, pushed a ceremonial button on his desk in May 1934, a five hundred thousand-watt (500 kW) behemoth stirred in a field outside Cincinnati. Rows of five-foot glass tubes warmed. Water flowed around them at more than six hundred gallons per minute. Dozens of engineers lit filaments and flipped switches, and, within the hour, enough power to supply a town of one hundred thousand coursed through an 831-foot tower.
https://www.neh.gov/humanities/2015/mayjune/feature/in-the-1930s-radio-station-wlw-in-ohio-was-americas-one-and-only-sup