Today’s Solutions: January 18, 2026

In the megacities that are home to nearly 10 percent of the world’s 7.5 billion people, trees provide each city with more than $500 million each year in services that make urban environments cleaner, more affordable and more pleasant places to live.

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This radio station plays ethereal ambient music made by trees

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Canada outlines plan to ban single-use plastic

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Architects embrace trees to bring nature in and redefine home design

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Why Icelanders are getting happier every year – and what we can learn from them

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