Winthrop Square Shadows and Impacts on the Parks

Sunlight-Sensitive Park Resources and Shadow Impacts

  1. Sunlight-sensitive park resources are those resources which are dependent on sunlight to maintain the overall usability and/or health of a park space, whether it be for human activity or horticultural needs.
  1. As the city develops, the extent and duration of shadows cast increases. Direct sunlight exposure becomes all the more important as a resource for people and nature, particularly in the city’s central greenspaces, the Boston Common and Public Garden, which are used by millions of people each year as places to relax, gather with the community, walk to work, and recreate.
  1. In considering the impact of shadows on these parks, it is necessary to assess how they affect the growth cycle and sustainability of the parks’ natural features, as well as the comfort and enjoyment of their users.
  1. The issue of human use and comfort is particularly important during the cold winter months when there is less available sunlight, especially during morning and afternoon commuting hours, when thousands of people pass through these parks daily. Human-related sunlight-sensitive resources during the warm months include use of the wading pool at the Frog Pond in the Common and the lagoon and Swan Boats in the Garden.

Horticulture and Shadow Impacts

  1. Trees and turf need 4 – 6 hours of direct sunlight.
  1. Less sunlight = less photosynthesis = less energy for trees and turf to grow
  1. Full day and yearlong analysis of cumulative shadows show that the Common and Garden are under significant shadow pressure
  1. The Tremont and Boylston edges of the parks in particular experience significant shadow pressure
  1. When trees and turf are in the shadows of buildings, soil surface temperatures may not reach normal levels.
  1. A lag time in warmth, and a shaded condition that can keep soil wetter, favor disease development. This is a contributing factor in the root rot some trees have suffered in the Garden, and the decline and removal of trees in the Tremont/Boylston corner of the Common
  1. Shade impacts the success of seed growth, with colder soil temperatures slowing and shortening their growing period.
  1. Grass is less tolerant of shade than trees. It is easy to grow grass, and easy to kill grass.

Make your voice heard: Contacting elected officials

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Below is the list of emails (formatted so you can copy and paste) and phone numbers of the elected officials, City Councilors, and the Mayor.

Mayor Marty Walsh                          617-635-4500      mayor@boston.gov

State elected officials:

Byron Rushing 617-722-2783 byron.rushing@mahouse.gov
Joe Boncore 617-722-1634 joseph.boncore@masenate.gov
Aaron Michlewitz 617-722-2220 aaron.michlewitz@mahouse.gov
William Brownsberger 617-722-1280 william.brownsberger@masenate.gov
Jay Livingstone 617-722-2396 jay.livingstone@mahouse.gov

Boston City Councilors:

Michelle Wu 617-635-3115 michelle.wu@boston.gov
Frank Baker 617-635-3455 frank.baker@boston.gov
Andrea Campbell 617-635-3131 andrea.campbell@boston.gov
Mark Ciommo 617-635-3113 mark.ciommo@boston.gov
Annissa Essabi George 617-635-4376 a.e.george@boston.gov
Michael Flaherty 617-635-4205 michael.f.flaherty@boston.gov
Tito Jackson 617-635-3510 tito.jackson@boston.gov
Sal LaMattina 617-635-3200 salvatore.lamattina@cityofboston.gov
Bill Linehan 617-635-3203 bill.linehan@cityofboston.gov
Timothy McCarthy 617-635-4210 timothy.mccarthy@boston.gov
Matt O’Malley 617-635-4220 matthew.omalley@boston.gov
Ayanna Pressley 617-635-4217 ayanna.pressley@boston.gov
Josh Zakim 617-635-4225 josh.zakim@boston.gov

 

Fact Sheet on Proposed Winthrop Square Tower

Downloadable Copy: Fact Sheet on Proposed Winthrop Square Tower.pdf

FOPGFact Sheet on Proposed Winthrop Square Tower
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The Proposed Tower Violates State Laws

●    The Friends of the Public Garden is committed to preserving sunlight and preventing shadow creep on the City’s landmark public parks, while also allowing development to continue in downtown Boston.

●    Millennium Partners’ proposed 775-foot Winthrop Square development is in violation of existing laws designed to protect Boston Common and the Public Garden from shadow creep. These laws, in effect for a quarter century, have protected the City’s signature public parks while allowing a robust level of development in downtown Boston.

●    If built, Winthrop Square Tower would cast a morning shadow stretching from Winthrop Square in the financial district, down the middle of Boston Common, through the heart of the Public Garden and onto the Commonwealth Avenue Mall – a distance of roughly one mile.

Continue reading “Fact Sheet on Proposed Winthrop Square Tower”