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Environmental Issues In California
The environment of California describes results of human habitation of the American State of California. History of environmental action California's Mediterranean climate makes vegetation susceptible to wildfires through the dry summers. Aboriginal Californians used fire to control brush, promote growth of seed-producing plants important to subsistence, and perhaps as an aid to hunting wildlife. These periodic fires kept woodland areas relatively open until 20th century laws curtailed burning in an effort to protect structures. European crops and livestock were introduced with missions along the coast from San Diego to San Francisco Bay through the late 18th and early 19th century. The California Gold Rush caused explosive population growth making San Francisco the only 19th century city west of St. Louis, Missouri.Donley, Allan, Caro, and Patton ''Atlas of California'' (1979) pp.9-19 Water soon became the limiting factor for population growth, and early laws establis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Map Of USA CA
A map is a symbolic depiction of interrelationships, commonly spatial, between things within a space. A map may be annotated with text and graphics. Like any graphic, a map may be fixed to paper or other durable media, or may be displayed on a transitory medium such as a computer screen. Some maps change interactively. Although maps are commonly used to depict geography, geographic elements, they may represent any space, real or fictional. The subject being mapped may be two-dimensional such as Earth's surface, three-dimensional such as Earth's interior, or from an abstract space of any dimension. Maps of geographic territory have a very long tradition and have existed from ancient times. The word "map" comes from the , wherein ''mappa'' meant 'napkin' or 'cloth' and ''mundi'' 'of the world'. Thus, "map" became a shortened term referring to a flat representation of Earth's surface. History Maps have been one of the most important human inventions for millennia, allowin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Environmental Protection Agency
The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. The order establishing the EPA was ratified by committee hearings in the House and Senate. The agency is led by its administrator, who is appointed by the president and approved by the Senate. The current administrator is Lee Zeldin. The EPA is not a Cabinet department, but the administrator is normally given cabinet rank. The EPA has its headquarters in Washington, D.C. There are regional offices for each of the agency's ten regions, as well as 27 laboratories around the country. The agency conducts environmental assessment, research, and education. It has the responsibility of maintaining and enforcing national standards under a variety of environmental laws, in consultat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ferries Of San Francisco Bay
San Francisco Bay in California has been served by ferry, ferries of all types for over 150 years. John Reed (Early Californian), John Reed established a sailboat ferry service in 1826. Although the construction of the Golden Gate Bridge and the San Francisco–Oakland Bay Bridge led to the decline in the importance of most ferries, some are still in use today for both commuters and tourists. The Creek Route ferries (1851–1937) One of the earliest ferry routes ran between San Francisco, California, San Francisco and Oakland, California, Oakland on what was called the "creek route". The name derived from the Oakland landing site located at the foot of Broadway where Jack London Square is today, fronting on what is today called the Oakland Estuary, an inlet of San Francisco Bay. The estuary, which in the 1800s included what is today's Lake Merritt, was the "creek". In 1851, Captain Thomas Gray, grandfather of the famous dancer Isadora Duncan, began the first regular ferry servic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
