The lightbulb revolution has just begun



Lately, there’s been a lot of heat over the simple lightbulb. Over the past decade, manufacturers raced to make their lightbulbs more efficient. The competition helped people save both energy and money — and the environment got a pretty big boost, too.

from https://www.theverge.com/2019/12/17/21024834/lightbulbs-energy-efficiency-standards-trump-climate-change
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