LEDs are making our world cooler and bluer

Today's story: LEDs have replaced older light sources in homes, offices, cars, and city streets. They are more efficient, longer-lasting, and more flexible. But unlike older lights, LEDs often give off cooler, bluer light. This shift in color temperature affects how our surroundings feel—and may even affect our sleep. Transcript & Exercises: https://plainenglish.com/831 Get the full story and learning resources: https://plainenglish.com/831--Plain English helps you improve your English:Learn about the world and improve your EnglishClear, natural English at a speed you can understandNew stories every weekLearn even more at PlainEnglish.comMentioned in this episode:Hard words? No problemNever be confused by difficult words in Plain English again! See translations of the hardest words and phrases from English to your language. Each episode transcript includes built-in translations into Spanish, Portuguese, Chinese, German, French, Italian, Japanese, Polish, and Turkish. Sign up for a free 14-day trial at PlainEnglish.com