Trees for Honolulu's Future
Trees for Honolulu's Future
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Benefits

Benefits

The benefits of trees in a city far outweigh their costs!

Benefits include those associated with improved 1) Human Health; 2) Water Quality and Management; 3) Public Well-Being and Safety; 4) City Planning; 5) Economic Development; 6) Air Temperatures; 7) Air Quality and Energy Use; and 8) Transportation.

LEARN MORE: See full report prepared for Trees for Honolulu's Future by Sara Bolduc, PhD.


Honolulu's Trees...

are naturally cool

A leafy canopy doesn’t just block the sun to create shade. Through a process called transpiration, leaves absorb the sun’s light energy and use it to power a chemical reaction that converts moisture from its leaves to water vapor. 

In contrast, hard surfaces like streets and buildings absorb the light energy and turn it into heat radiation. They store the heat radiation and keep releasing it long after the sun has gone down.

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provide homes and food

Urban forests help create and enhance animal and plant habitats and can act as “reservoirs” for endangered species. People enjoy fruit such as mango, papaya and avocado from our urban trees as well.

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promote health and well-being

Trees protect people from ultraviolet radiation that damages skin and causes cancer. Areas with trees experience lower crime rates. Just looking out the window at trees helps hospital patients recover faster and students perform better in school.

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protect our coral reefs

Trees increase the amount of rainwater that infiltrates the soil, recharging our groundwater. At the same time, trees decrease surface runoff which carries sediment and harmful pollutants to streams and the ocean. They do this by trapping and storing rainfall in their canopies so it is deposited on the ground more slowly, and by root growth and decomposition that makes it easier to penetrate the surface

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are good for business

Landscaping with trees can increase property values by
10-20% and attract new home buyers. People shop more often and longer in well-landscaped business districts and are willing to pay more.

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fight climate change

Trees take in CO2 during photosynthesis and store it in their tissues. They reduce the cause of atmospheric warming and ocean acidification at the same time that they help us adapt to a hotter climate. 

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