trees
street trees
who manage
individuals
Proposition E
how many street trees in SF
tree census
approved on November 8, 2016
San Francisco, California, City Responsibility for Street Trees and Sidewalks Amendment
benefits of trees
eco-system
our world’s lungs
NOW San Francisco / PROBLEMS
the worst possible urban forest policy
the smallest tree canopy of any major U.S. city
canopy is shrinking as trees die
reaching the end of their life span
neglect and aren’t replaced at a sufficient rate
anti-tree policy / broken tree policy
inadequate Maintenance Funding
force property owners to care
force them to pay for any damage caused by these trees
periodically plant trees
turn around and dump those trees on property owners
watch the trees decline and die
ignore
hire the cheapest possible arborist
do everything in their power to prevent a tree
123,925 trees
urban trees
connect people to nature and enhance the quality of their daily lives
Harsh Growing Environment
fragmented Maintenance Structure
non- profit organizations
goverment
San Francisco Public Works
property owner near their home/store
oppertunities
public park trees
private property
tree matters
fundraising system / mechanism
providing guiding package
new tree policy / program
building new infrastructure
taking care of trees?
planting
pruning
general
clean the air
capture airborne particles such as dirt, dust and soot; a mature tree can absorb 120-240 lbs of particulate pollution each year
providing habitat for
all manner of birds, insects, and other animals
providing shade and cooling in a warming world
reducing climate change
emitting oxygen
Two medium-sized, healthy trees can supply the oxygen required for a single person for a year.
absorbing carbon dioxide
reduce global warming
reducing drought
Trees calm traffic
The presence of trees reduces the speed of drivers
reduces the frequency and severity of crashes
reduce flooding and water pollution
increase revenues in shopping districts
12% higher willingness to pay for goods and services in retail areas that have streetscape greening
absorb traffic noise and increase privacy
create a physical and mental barrier between the street and the sidewalk
keeping pedestrians, children and pets out of harm’s way
Friends of the Urban Forest
City and County of San Francisco (Urban Forest Plan)
removing
seeding
sidewalk repair
sustainability
sustainism
a cultural force
an emerging paradiam
a new perspective
do business
feed ourselves
design
travel
communicate
how we live
sustainist
no ecology without community
no development without equity
no value without shared meanings
no community without participation
no sustainability without fairness
not an individual property, but a property of an entire network of relationships
encouragement / rewarding
as much as of how we deal with nature and development, and of our roles in them
wearable device for nature