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Rapid surge in global warming mainly due to reduced planetary albedo, researchers suggest

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Global mean temperature rose to nearly 1.5 degrees Celsius above the preindustrial level in 2023 , another record.

Researchers from the Alfred Wegener Institute in Germany say the planet has become less reflective because certain types of clouds have declined.

Decline in lower-altitude clouds reduces Earth 's albedo, which would worsen global warming.

If there are fewer low clouds, we only lose the cooling effect, making things warmer.

Lower concentrations of anthropogenic aerosols in the atmosphere are likely a contributing factor.

If a large part of the decline in albedo is indeed due to global warming, we should expect rather intense warming in the future.