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NASA Maps Reveal Global Nighttime Light Changes 2014-2022

4/15/2026

Summary

Story summary

NASA's National Aeronautics and Space Administration released nighttime maps showing fluctuations in Earth's artificial lighting from 2014 to 2022.
Researchers tracked brightening and dimming linked to industrial activity, energy conservation, and crises including COVID-19 and the Russia-Ukraine conflict.
Brightening occurred in China and India due to urban development, and Europe declined 4%, with France dropping 33%.
The findings show city lights reflect socio-economic changes and environmental impacts.

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Story summary

NASA's National Aeronautics and Space Administration released nighttime maps showing fluctuations in Earth's artificial lighting from 2014 to 2022.
Researchers tracked brightening and dimming linked to industrial activity, energy conservation, and crises including COVID-19 and the Russia-Ukraine conflict.
Brightening occurred in China and India due to urban development, and Europe declined 4%, with France dropping 33%.
The findings show city lights reflect socio-economic changes and environmental impacts.