Here are pictures of our July workday in progress.
The problem: unsightly urban debris and invasive plants:
The Solution: Sheet Mulching
First we put down newspaper: 
Then we watered generously:
Then we put down cardboard and watered again:
Finally step: apply mulch (generously provided by the Philadelphia Parks & Recreation Department) and voila! Nature!!
Stay tuned for the spring planting of native plant material.
Many thanks to our large crew of volunteers!!
Reminder: There will be no workday in August. Our next workday is September 21st.