The February 2025 newsletter is linked below. If you have any comments or questions, email editor@ashtonheights.org.
Tree Canopy – Arlington and Ashton Heights
By Scott Sklar, President, AHCA
We are dedicating our February Ashton Heights meeting to two presentations on Arlington tree canopy. Our lead off speaker is Mary Margaret Whipple. Whipple is a former Democratic member of the Senate of Virginia, representing the 31st district from 1996–2012. She was the Chairman of the Senate Democratic Caucus, and she was the first woman to hold a leadership position in the Virginia General Assembly.
She was appointed to the Arlington School Board in 1976 and served as chair from 1978–79. Whipple served on the Arlington County Board from 1983–95, and was chair in 1986. While on the County Board, she served as the Arlington representative to the Washington Metropolitan Area Transit Authority Board in 1985 and from 1988–1995, serving as chair in 1990.
One of her signature issues was preservation and enhancement of Arlington’s tree canopy. Aside from being a force in Arlington and Virginia, I wanted her to bring her insight and history of why this issue is important – and why it has been a force in both Ashton Heights and Lyon Park from the very beginning. I hope to lure our early AHCA leaders to this meeting as well to add perspectives.
She will be followed by Brooke Alexander, who is the Chair of AHCA’s Tree Canopy and Native Plants Committee and is widely known for her expertise. I have encouraged her to share her experience and perspective with Civic Associations throughout Arlington, and of course with the Arlington County Board and various Arlington County Commissions and Advisory Boards.
Tree Canopy has taken on added significance in our modern lives as Arlington becomes more dense and urbanized — and as a result more noisy and more polluted. As I mentioned to you before, when I moved into my one story Sears bungalow in 1984, I was told by Arlington’s arborist to cut down my silver maple because it reached the “end of its life.” Instead, I hired an arborist to come in and root feed the tree. And when I added my second story, I made sure the construction equipment did not go over the roots.
In 2025, this 87 year old tree survived the Arlington Arbortists prediction, living an additional 40 years and going. She drops bushels of seeds, called whirlers, twisters, helicopters, or whirligigs every year filling two green bins.
But let me put on my professor’s hat on and give some facts:
- A large tree can take in from 50 – 150 gallons of water per day – the best and most cost effective approach for stormwater management,
- A large tree can reduce traffic noise and other sounds from 5-8 decibels and evergreens, because they have leaves all year, if they’re planted together can reduce noise up to 15 decibels. Large trees can also significantly reduces street light from cars and overhead street lights.
- A large tree can absorb 0.616 metric tons of carbon (the longest-lived greenhouse gas in the atmosphere)
- Trees planted on the east, west, and south sides of your home reduce home cooling costs. By positioning trees in just the right way around your yard, it can cut up to 25% of a household’s annual electricity usage. This has been validated in my monitored house and rear office building.
- Trees have the ability to directly absorb and sequester pollution and can temporarily catch pollutants in the air. The National Park Service states that “trees absorb gaseous molecules in the air. Tiny pores on the tree leaf surfaces called stomata take in air that includes toxic pollutants. This means that pollutants like SO2, NO2, CO, and ozone are permanently converted inside the leaf.” Trees can also “remove particulate matter by catching them temporarily. With rain or precipitation, the particulates can be dissolved in the stormwater runoff or transferred to the soil.” While no mitigation device solves air pollution, the scale and value of city trees in this regard is dramatic. “
And note, there are many studies validating that trees reduce “heat islands” which are becoming a problem in urban areas as our climate warms – especially on streets, parks, parking lots and playgrounds.
And when I added four trees to my existing four large trees, the amount and diversity of wildlife is incredible – especially birds of all types – with the larger birds on treetops and then virtually every other kind of bird that lives or flies through this area. And, of course, squirrels, fireflies, et al. Some of my best times are sitting on my neighbor Patrick Lueb’s back porch in the evening looking at the hundreds of fireflies on his back tree – incredible!
I hope to see you and your family at our February meeting. Tree canopy has many benefits and significantly saves money and adds to the quality of our lives.
Reference articles:
https://www.deeproot.com/blog/blog-entries/clearing-the-air/
https://www.epa.gov/heatislands/using-trees-and-vegetation-reduce-heat-islands
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