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Knock on wood, touch wood

Ancient peoples called forth “the tree gods” in times of need by
knocking on wood; it's a call for good luck that's as old as hills. And
why not? After all, trees are the guardians of our water, soil and air.

Improve Your Community and Your Health

Maple tree with fall foilage

Did you know…

1. Healthy cities should have an average tree canopy coverage of 40% to ensure their ecological, economic and social sustainability. Rural areas should set a goal of 50%. (Source: American Forests)

2. Two mature trees provide enough oxygen per year for a family of four

3. Trees are good noise barriers, making a city and neighborhood quieter

4. Hospital patients heal faster and require shorter stays if their rooms face trees.... 

5. Trees enhance community economic stability…

  • People linger and shop longer along tree-lined streets
  • Apartments and offices in wooded areas rent more quickly and have higher occupancy rates

6. The Agriculture Research Service (ARS) advises that the best trees to plant in urban spaces are…

  • Red maple (Acer rubrum)
  • ‘Natchez’ crapemyrtle (Lagerstroemia)
  • Frontier elm (Ulmus)

7. Tree leaves, bark and fruit have medicinal properties that are still being discovered. Taxol, an extract from Yew trees, for example, is one of the most powerful cancer-fighting drugs available.

500 BC - EVOLVE

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