carbon sequestration

The second Bernal Cut was designed and intended to replace Mission Street as the main road in and out of the City. After the earthquake and fire of 1906 the City began to imagine better and wider access to and from the Peninsula and advocated the construction of a vehicular roadway alongside the rail lines. In 1928 Mayor James Rolph pulled the levers of the steam shovel that marked groundbreaking of a wider Bernal Cut.  

The first automobile came to San Francisco in 1896 by 1900 there were 5 cars registered, by 1903 there were 500.  By the time the Bernal Cut was complete in 1930 there were over 160,000 automobiles.

Carbon dioxide is the most commonly produced greenhouse gas. Carbon sequestration is the process of capturing and storing atmospheric carbon dioxide. Trees and plants absorb carbon dioxide, sulfur dioxide and carbon monoxide from the air and release oxygen. One large tree can supply a day’s supply of oxygen for four people. Likewise, healthy soils sequester carbon and rainwater.  But unhealthy soils can become heat islands, deflecting water and acting more like concrete than earth. Urban forest areas like these are one method of reducing the amount of carbon dioxide in the atmosphere with the goal of reducing global climate change.