

Plant more trees to combat San Diego's relentless heat
The Issue
San Diego's current heat wave is unbearable, affecting the very fabric of our daily lives. For my family, who cannot afford air conditioning, to the homeless community, who have no shelter from the scorching sun, everyone is at risk. Our delicate local ecosystems are suffering too; native plants and wildlife are struggling to survive in these extreme temperatures.
One of the most actionable solutions is to increase the tree canopy in San Diego. Trees provide natural cooling by offering shade and through the process of evapotranspiration, where water absorbed by roots evaporates through leaves, decreasing the surrounding air temperature significantly. Stanford researchers have confirmed that urban areas with a greater density of trees can be considerably cooler than those without.
San Diego currently lags behind cities like Los Angeles and San Francisco in terms of urban canopy cover. According to the California Department of Forestry and Fire Protection, San Diego's urban tree canopy is just 13%, while Los Angeles and San Francisco boast 21% and 15% respectively. Increasing this percentage not only combats the heat but also improves air quality and enhances the living conditions for all residents. Furthermore, a study by the U.S. Forest Service shows that every dollar spent on planting and maintaining a tree can result in benefits worth $5.82.
We urge the San Diego City Council to allocate funds towards planting more trees in neighborhoods most affected by high heat and low canopy cover. Special attention should be given to areas with dense populations of vulnerable citizens, like low-income neighborhoods and locations housing the homeless.
Join me in calling on the San Diego City Council to take immediate action. Let's transform our city into a green oasis that can efficiently combat heat waves. Your voice can make a difference in creating a healthier, cooler, and more sustainable San Diego. **Sign this petition and push for more tree plantings today!**

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The Issue
San Diego's current heat wave is unbearable, affecting the very fabric of our daily lives. For my family, who cannot afford air conditioning, to the homeless community, who have no shelter from the scorching sun, everyone is at risk. Our delicate local ecosystems are suffering too; native plants and wildlife are struggling to survive in these extreme temperatures.
One of the most actionable solutions is to increase the tree canopy in San Diego. Trees provide natural cooling by offering shade and through the process of evapotranspiration, where water absorbed by roots evaporates through leaves, decreasing the surrounding air temperature significantly. Stanford researchers have confirmed that urban areas with a greater density of trees can be considerably cooler than those without.
San Diego currently lags behind cities like Los Angeles and San Francisco in terms of urban canopy cover. According to the California Department of Forestry and Fire Protection, San Diego's urban tree canopy is just 13%, while Los Angeles and San Francisco boast 21% and 15% respectively. Increasing this percentage not only combats the heat but also improves air quality and enhances the living conditions for all residents. Furthermore, a study by the U.S. Forest Service shows that every dollar spent on planting and maintaining a tree can result in benefits worth $5.82.
We urge the San Diego City Council to allocate funds towards planting more trees in neighborhoods most affected by high heat and low canopy cover. Special attention should be given to areas with dense populations of vulnerable citizens, like low-income neighborhoods and locations housing the homeless.
Join me in calling on the San Diego City Council to take immediate action. Let's transform our city into a green oasis that can efficiently combat heat waves. Your voice can make a difference in creating a healthier, cooler, and more sustainable San Diego. **Sign this petition and push for more tree plantings today!**

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Petition created on October 5, 2026