Category: energy efficiency
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Dark Mode Energy Savings and When It Helps on Phones, Laptops, and Screens
Dark mode can reduce energy use in some displays, especially OLED and similar self emitting screens, but the savings are not universal. This article explains when dark mode can lower power demand, when it makes little difference, and how to judge the real tradeoffs on different devices and in everyday use.
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Why Efficiency Does Not Always Cut Emissions
Efficiency improvements can reduce energy use per unit of output, but the climate result depends on what happens next. This article explains the rebound effect, why savings can be partly or fully offset, and how to judge whether efficiency will actually lower emissions in practice.