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Library

In a traditional sense, a library is a large collection of books, and can refer to the place in which the collection is housed. Today, the term can refer to any collection, including digital sources, resources, and services. The collections can be of print, audio, and visual materials in numerous formats, including maps, prints, documents, microform (microfilm/microfiche), CDs, cassettes, videotapes, DVDs, video games, e-books, audiobooks and many other electronic resources.

The places where this material is stored can range from public libraries, subscription libraries, private libraries, and can also be in digital form, stored on computers or accessible over the internet. The term has acquired a secondary meaning: "a collection of useful material for common use". This sense is used in fields such as computer science, mathematics, statistics, electronics and biology.

A library is organized for use and maintained by a public body, an institution, a corporation, or a private individual. Public and institutional collections and services may be intended for use by people who choose not to — or cannot afford to — purchase an extensive collection themselves, who need material no individual can reasonably be expected to have, or who require professional assistance with their research. In addition to providing materials, libraries also provide the services of librarians who are experts at finding and organizing information and at interpreting information needs. Libraries often provide a place of silence for studying, and they also often offer common areas to accommodate for group study and collaboration. Libraries often provide public facilities to access to their electronic resources and the Internet. Modern libraries are increasingly being redefined as places to get unrestricted access to information in many formats and from many sources. They are extending services beyond the physical walls of a building, by providing material accessible by electronic means, and by providing the assistance of librarians in navigating and analyzing tremendous amounts of information with a variety of digital tools.

borrowing 5 books a year, could save 80 pounds of co2, 80,000/1,341 kwh of energy, a 5/229 cubic meter container oil, 403/1,957,860 metric tons of coal, 16,000/9,387 metric tons of toxic lead, 16,000/687 acres of soil from being polluted, keep 20/1,341 pounds of mercury out of landfills a year, And enough energy to power over 17/2,500 cars for a year, one car to travel 20,000/229 miles, a CFL for 310/97,893 years, almost $5.20.

borrowing one notebook could save a over 3/2 cubic meter lake, enough water to give over 32 people a shower, a 68/70,875 acre forest, 6/35 cubic yards of landfill space, 24/5 gallons of oil, and 1,640/7 kwh of energy, enough energy to power the average home for 73/49 weeks, a CFL for 1,271/102,200 years, 1,174/35 pounds of air pollution, enough oil to run the average car for 72 miles, or circle the globe almost 5,376 times, 21,600,000/7 Btu's of energy, 1,480/7 pounds of wood, 9/5 tons of green house gases, a 144,000 cubic meter lake from being polluted, 9/229 tons of co2, 96/5 acres of soil from being polluted, 81/350 tons of solid waste, $60.00 in water, and gain 176/7 pounds of sludge, and almost 1,768/7 pounds of oxygen per year

(Over 34/35 trees can provide new wildlife habitat and shade in almost 85/84 places and absorb almost 85/84 tons of co2 over the course of their lives, and enough energy to power over 289/1,680 cars for a year, one car to travel 10,625,000/4,829 miles)

(1,480/7 pounds of wood could save 13,320,000/7 BTUs of heat energy, over 12,321/595,000 tons of co2 a year, enough energy to power a 333/595 bedroom house for an entire year, over 12,321/3,500,000 cars for a year, 3,996/133 homes for a year, a 60 watt light bulb for 57,720/55,699 years, 12,321/595 power strips, over $10.00)

borrowing one catalog could save 36/95 pounds of paper, 2 BTUs of energy, over 37/850,000 pounds of co2 a year, 52/95 pounds of green house gases, 53/19 gallons of water, a 53/19,237,500 acre forest, 26/35,625 gallons of oil, a 416/19 cubic meter lake from being polluted, 1,961/3,230 pounds of wood, 104/35,625 acres of soil from being polluted, enough energy to power 3/95,000 homes for a year, 1/9,500 cars for a year, one car to travel 26/2,375 miles, a 60 watt light bulb for 13/228,900 weeks, a 1/1,700,000 bedroom house for an entire year, 37/1,700,000 power strips, enough water to fill 81/190,000,000 Olympic-sized swimming pools, 159/950 pounds of air pollution per year, gain almost 689/950 pounds of oxygen per year

(Over 53/19,000 trees can provide new wildlife habitat and shade in almost 53/18,240 places and absorb almost 1,325/228 pounds of co2 over the course of their lives, and enough energy to power over 901/1,824,000 cars for a year),

(1,961/3,230 pounds of wood could save 1,764,900/323 BTUs of heat energy)

(36/95 pounds of paper could save a 315/32 cubic meter lake, 108/95 cubic yards of landfill space, 3,024/95 gallons of oil, 333/9,500 gallons of gasoline, 29,520/19 kwh of energy, 63/950 pounds of limestone, enough energy to power the average home for 18/95 years, a CFL for 11,439/138,700 years, 5,283/47,500 tons of air pollution, enough oil to run the average car for 9,072/19 miles or circle the globe almost 677,376/19 times, 388,800,000/19 Btu’s of energy, 333/475 tons of wood, a tree that is 96/9,595 inches in diameter, a 136/21,375 acre forest, 729/475 tons of solid waste, $393.75 in water, and gain 198/2,375 pounds of sludge, and almost 1,989/2,375 pounds of oxygen per year (Over 153/47,500 trees can provide new wildlife habitat and shade in almost 51/15,200 places and absorb almost 255/38 pounds of co2 over the course of their lives, and enough energy to power over 867/1,520,000 cars for a year) (333/475 tons of wood could save 239,760,000/19 BTUs of heat energy, enough energy to power a 5,994/1,615 bedroom house for an entire year))

borrowing one phone book could save 14 gallons of water, 463/500 gallons of oil, 587/500 pounds of air pollution, 153/25,000 cubic yards of landfill space, 4,077/500 kwh of energy, (629– 1,147)/85 pounds of wood, 1,389/2 pounds of green house gases, enough oil to run the average car for 1,389/100 miles or circle the globe almost 25,928/25 times, a 27,780 cubic meter lake from being polluted, a (17-31)/506,250 acre forest, enough energy to power a 60 watt light bulb for 5,889/78,110 years, a CFL for 4,687/10,828,677 years, (1,132,200– 2,064,600)/17 BTUs of heat energy, 4,131/500,000 tons of solid waste, 463/125 acres of soil from being polluted, $2.10 in water, gain almost (221-403)/25 pounds of oxygen per year

(Over (17-31)/500 trees can provide new wildlife habitat and shade in almost (17-31)/480 places and absorb almost (425-775)/6 pounds of co2 over the course of their lives, a (10,625-19,375)/549,600 cubic meter container of oil, and enough energy to power over (289-527)/48,000 cars for a year, one car to travel (53,125-96,875)/687 miles)

borrowing one CD/DVD could save 10 cubic feet of natural gas, 1/60 quarts of crude oil, 4/5 gallons of water, enough energy to heat 1/10,000 homes for a year, a 19/10,200,000 bedroom house for an entire year, over 5/426,742,532 cars for a year, 703/10,200,000 power strips, and enough oil to run the average car for 1/16 miles or circle the globe almost 896 times, 19/3 btu’s of energy, a 125 cubic meter lake from being polluted, over 703/5,100,000 pounds of co2 a year, 25/8 pounds of green house gases

borrowing One ton of textbooks saves 5 tons of co2, 10,000,000/1,341 kwh of energy, a 625/229 cubic meter container of oil, 5/5,364 tons of mercury a year, a 10,000/447 cubic meter lake, 62,500/229 tons of greenhouse gases, 2,000,000/687 acres of soil from being polluted, enough energy to power over 17/20 cars for a year, almost $895.00