Today’s Solutions: December 19, 2025

Countries with high levels of human well-being are more likely to show increasing forest growth. That’s the finding of a new study by a group of Finnish scientists, published in PLOS ONE. Their work shows that countries exhibiting annual increases in the amount of trees typically score highly on the UN’s Human Development Index (HDI), a scoring system that uses measures of life expectancy, education, and income to assess development status. Meanwhile, countries with a net annual forest loss typically score lower on the HDI.

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