Street trees do so much. They are subtle in their ways. As trees, they sequester CO2 from the atmosphere while releasing O2 back in to the air without our notice. Tree lined street are traffic calming. They intercept rainfall attenuating stormwater flows. Shade the streets and provide habitat for wildlife. As living things they connect us to nature which were are an integral part. If you can see the value of street trees conceive Sunnyvale treeless. Tree makes Sunnyvale home.