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Earth’s Darkening Trend Linked to Climate Change, NASA Cuts

10/4/2025

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Summary

Story summary

Earth reflects less sunlight overall, with the Northern Hemisphere showing the drop, per Clouds and the Earth's Radiant Energy System (CERES).
The trend relies on 24 years of data.
The Northern Hemisphere darkening ties to climate change and disasters.
The Southern Hemisphere may brighten from aerosols after Australian bushfires. National Aeronautics and Space Administration (NASA) budget cuts threaten Earth observation.

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Story summary

Earth reflects less sunlight overall, with the Northern Hemisphere showing the drop, per Clouds and the Earth's Radiant Energy System (CERES).
The trend relies on 24 years of data.
The Northern Hemisphere darkening ties to climate change and disasters.
The Southern Hemisphere may brighten from aerosols after Australian bushfires. National Aeronautics and Space Administration (NASA) budget cuts threaten Earth observation.