Barnard College student Acadia Roher counts leaves of experimental red oak seedlings at Lamont-Doherty Earth Observatory (Photo: Alisa Frohman)
In the summer of 2009, nearly 100 trees fell and more were badly struck in severe thunder storms resulting in a large-scale cleanup (Photo: Enid Burns)
Seedlings did eight times better in New York City's Central Park than at comparable suburban and rural sites (Photo via Shutterstock)
Many people view urban areas as hostile for plants – concrete stifles root growth, and pollution from vehicles makes it difficult to gain nutrients. A study conducted by The Earth Institute at Columbia University not only discredits those theories, however, but suggests that urban environments have a lot to offer plants to promote growth.
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