What is the 3 30 300 rule for trees in San Luis Obispo?
The 3-30-300 rule is a global benchmark for urban greening, suggesting everyone see 3 trees from home, live in a neighborhood with 30% tree canopy, and be within 300 meters of a green space. In San Luis Obispo, CA, applying this rule means balancing its ambitious public health goals with our strict oak woodland preservation…


