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Environmental Issues In Fresno, California
The San Joaquin Valley of California has seen environmental issues arise from agricultural production, industrial processing and the regions use as a transportation corridor. Geographically, the San Joaquin Valley stretches from the Tehachapi Mountains in the south, between the California coastal ranges and the Sierra Nevada range, and opening into Sacramento–San Joaquin River Delta in the north. Much of the large, flat land area is devoted to large-scale agricultural production, although there are some significant urban centers such Fresno, Bakersfield, Clovis, Stockton, Modesto, and Visalia. It provides a transportation connection between populous northern California and southern California via I-5 and CA-99. Water pollution Surface water pollution The San Joaquin River and it's tributaries form the San Joaquin River watershed which spans the entire valley. The water quality in the San Joaquin River is degraded due to runoff from irrigated agriculture, other agricult ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Joaquin Valley
The San Joaquin Valley ( ; es, Valle de San Joaquín) is the area of the Central Valley of the U.S. state of California that lies south of the Sacramento–San Joaquin River Delta and is drained by the San Joaquin River. It comprises seven counties of Northern and one of Southern California, including, in the north, all of San Joaquin and Kings counties, most of Stanislaus, Merced, and Fresno counties, and parts of Madera and Tulare counties, along with a majority of Kern County, in Southern California. Although the valley is predominantly rural, it has densely populated urban centers: Fresno, Bakersfield, Stockton, Modesto, Tulare, Visalia, Hanford, and Merced. The first European to enter the valley was Pedro Fages in 1772. The San Joaquin Valley was originally inhabited by the Yokuts and Miwok peoples. The Tejon Indian Tribe of California is a federally recognized tribe of Kitanemuk, Yokuts, and Chumash indigenous people of California. Their ancestral homeland ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friant Dam
Friant Dam is a concrete gravity dam on the San Joaquin River in central California in the United States, on the boundary of Fresno and Madera Counties. It was built between 1937 and 1942 as part of a U.S. Bureau of Reclamation (USBR) water project to provide irrigation water to the southern San Joaquin Valley. The dam impounds Millerton Lake, a reservoir about north of Fresno. Background The valley in which Friant Dam and Millerton Lake now lie was once the location of the historic town of Millerton. Millerton was the first county seat of Fresno County. In 1880, the first dam on the San Joaquin River was constructed by the Upper San Joaquin Irrigation Company roughly on the present site of Friant Dam. Built of local rock, the dam was an long, tall structure designed to divert water for the irrigation of . The project was abandoned in the wake of floods that destroyed the dam two years later. Friant Dam was originally proposed in the 1930s as a main feature of the Centra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smog
Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words ''smoke'' and '' fog'' to refer to smoky fog due to its opacity, and odor. The word was then intended to refer to what was sometimes known as pea soup fog, a familiar and serious problem in London from the 19th century to the mid-20th century. This kind of visible air pollution is composed of nitrogen oxides, sulfur oxide, ozone, smoke and other particulates. Man-made smog is derived from coal combustion emissions, vehicular emissions, industrial emissions, forest and agricultural fires and photochemical reactions of these emissions. Smog is often categorized as being either summer smog or winter smog. Summer smog is primarily associated with the photochemical formation of ozone. During the summer season when the temperatures are warmer and there is more sunlight present, photochemical smog is the dominant type of smog formation. Du ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Class Action
A class action, also known as a class-action lawsuit, class suit, or representative action, is a type of lawsuit where one of the parties is a group of people who are represented collectively by a member or members of that group. The class action originated in the United States and is still predominantly a US phenomenon, but Canada, as well as several European countries with civil law, have made changes in recent years to allow consumer organizations to bring claims on behalf of consumers. Description In a typical class action, a plaintiff sues a defendant or a number of defendants on behalf of a group, or class, of absent parties. This differs from a traditional lawsuit, where one party sues another party, and all of the parties are present in court. Although standards differ between states and countries, class actions are most common where the allegations usually involve at least 40 people who the same defendant has injured in the same way. Instead of each damaged person brin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Environmental Protection Agency
The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal 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 Michael S. Regan. The EPA is not a Cabinet department, but the administrator is normally given cabinet rank. The EPA has its headquarters in Washington, D.C., regional offices for each of the agency's ten regions and 27 laboratories. 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 consultation with state, tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marc Edwards (professor)
Marc Edwards (born 1964) is a civil engineering/environmental engineer and the Charles Edward Via Professor of Civil and Environmental Engineering at Virginia Tech. An expert on water treatment and corrosion, Edwards's research on elevated lead levels in Washington, DC's municipal water supply gained national attention, changed the city's recommendations on water use in homes with lead service pipes, and caused the Centers for Disease Control and Prevention to admit to publishing a report so rife with errors that a congressional investigation called it "scientifically indefensible." He is considered one of the world's leading experts in water corrosion in home plumbing, and a nationally recognized expert on copper corrosion. He is also one of the whistleblowers in the Flint water crisis, along with Dr. Mona Hanna-Attisha. Edwards was named a MacArthur Fellow in 2007. The program cited him for "playing a vital role in ensuring the safety of drinking water and in exposing deterior ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Resources Defense Council
The Natural Resources Defense Council (NRDC) is a United States-based 501(c)(3) non-profit international environmental advocacy group, with its headquarters in New York City and offices in Washington D.C., San Francisco, Los Angeles, Chicago, Bozeman, and Beijing. Founded in 1970, as of 2019, the NRDC had over three million members, with online activities nationwide, and a staff of about 700 lawyers, scientists and other policy experts. History The NRDC was founded in 1970.Robert Gottlieb, ''Forcing the Spring: The Transformation of the American Environmental Movement'' (revised ed.: Island Press, 2005), pp. 193–94. Its establishment was partially an outgrowth of the ''Scenic Hudson Preservation Conference v. Federal Power Commission'', the Storm King case. The case centered on Con Ed's plan to build the world's largest hydroelectric facility at Storm King Mountain. The proposed facility would have pumped vast amounts of water from the Hudson River to a reservoir and released ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Newspapers
A newspaper is a periodical publication containing written information about current events and is often typed in black ink with a white or gray background. Newspapers can cover a wide variety of fields such as politics, business, sports and art, and often include materials such as opinion columns, weather forecasts, reviews of local services, obituaries, birth notices, crosswords, editorial cartoons, comic strips, and advice columns. Most newspapers are businesses, and they pay their expenses with a mixture of subscription revenue, newsstand sales, and advertising revenue. The journalism organizations that publish newspapers are themselves often metonymically called newspapers. Newspapers have traditionally been published in print (usually on cheap, low-grade paper called newsprint). However, today most newspapers are also published on websites as online newspapers, and some have even abandoned their print versions entirely. Newspapers developed in the 17th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Department Of Public Health
The California Department of Public Health (CDPH) is the state department responsible for public health in California. It is a subdivision of the California Health and Human Services Agency. It enforces some of the laws in the California Health and Safety Codes, notably the licensing of some types of healthcare facilities. One of its functions is to oversee vital records operations throughout the state. On August 9, 2020, Dr. Sonia Y. Angell resigned as the CDPH Director and State Public Health Officer. Governor Gavin Newsom indicated Angell's resignation was related to data issues with the California Reportable Disease Information Exchange (CalREDIE) system that resulted in nearly 300,000 backlogged COVID-19 test results. On August 10, 2020, Sandra Shewry was appointed as acting director and Dr. Erica Pan, California state epidemiologist, was named acting state public health officer. On December 7, 2020, Governor Gavin Newsom announced Tomás Aragón, MD, DrPH as the next ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Algae Bloom
An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in Fresh water, freshwater or Ocean, marine water systems. It is often recognized by the discoloration in the water from the algae's pigments. The term ''algae'' encompasses many types of aquatic Photosynthesis, photosynthetic organisms, both macroscopic multicellular organisms like seaweed and microscopic unicellular organisms like cyanobacteria. ''Algal bloom'' commonly refers to the rapid growth of microscopic unicellular algae, not macroscopic algae. An example of a macroscopic algal bloom is a kelp forest. Algal blooms are the result of a nutrient, like nitrogen or phosphorus from various sources (for example fertilizer runoff or other forms of nutrient pollution), entering the aquatic system and causing excessive growth of algae. An algal bloom affects the whole ecosystem. Consequences range from the benign feeding of higher trophic levels to more harmful effects like blocking s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gambusia Affinis
The western Mosquitofish (''Gambusia affinis'') is a North American freshwater fish, also known commonly, if ambiguously, as simply Mosquitofish or by its genus, generic name, ''Gambusia'', or by the common name gambezi. Its sister species, the eastern mosquitofish (''Gambusia holbrooki'') is also referred to by these names. Mosquitofish are small in comparison to many other freshwater fish, with females reaching a maximum length of and males a maximum length of . The female can be distinguished from the male by her larger size and a gravid spot at the posterior of her abdomen. The name "Mosquitofish" was given because the fish eats mosquito larvae, and has been used more than any other fishes for the biological control of mosquitoes. Gambusia typically eat zooplankton, beetles, Mayfly, mayflies, Caddisfly, caddisflies, mites, and other invertebrates; mosquito larvae make up only a small portion of their diet. Mosquitofish were introduced directly into ecosystems in many part ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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