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In the 3 new papers, extensive observational evidence suggests that polar bear populations are currently healthier than in the past, and their numbers have been stable or growing in recent decades.
Published in the peer-reviewed journal The Cryosphere : "These authors found that in 1875, 75% of the 19th century, 80% of the 19th-century glacier melt had already been completed."
"It means that the average rate of melting was actually higher between 1800-1875, in the pre-major-industrialization era than between 1875-1900."
"The results indicate that the melting of the Alpine glaciers has a natural origin – something related to the end of the Little Ice Age."