Schematic depiction of hydraulic fracturing for shale gas, showing main possible environmental effects.
Horizontal hydraulic fracturing, or "fracking", is a method used to increase the output of oil and natural gas wells. It supplements a conventional vertically-drilled well hole with two relatively new techniques: horizontal drilling in the hydrocarbon-rich layer, and fracturing of the rock by the injection of fluids into the well at very high pressure. These measures greatly increase the effective contact area of the well with the petroleum-bearing rock, the result being an increased rate of flow of gas or oil out of the rock and into the hole. The technique has opened up the possibility of exploiting vast regions of the earth's crust formerly considered not viable as oil or natural gas sources because although they contained petroleum, it was too tightly bound within the rock to be accessible by conventional means. Fracking is controversial for several reasons, mainly because of its environmental and health effects.
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Communpedia news
International news
- June 27 to 30, 2013 Socialist conference in Chicago (Socialism2013)
- May 23, 2013 Google removes FARC's peace talk blog (Prensa Latina)
- May 21, 2013 Use of MOOCs by Universities pose issues for students and teachers (Chronicle of Higher Education Harvard Crimson)
- May 20, 2013 Global warming conflict heats up as cold front clashes with warm humid air mass in Oklahoma City (Grist)
- May 15, 2013 Arctic Council meets to carve up Arctic resources (Bloomberg)
- May 13, 2013 Lure of export profits drives a frenzy of fracking in the United States (The Anchorage Daily News)
- May 13, 2013 Crowd-sourced global inventory of power plants (The Ventus Project)
- May 13, 2013 Rumors of economic reform in the People's Republic of China (The Age)
- May 13, 2013 Morale falls in Bulgaria as corruption reigns (The New York Times The New York Times)
- May 12, 2013 Keystone XL bulling ahead (Globe and Mail)
- May 10, 2013 Little Red Ants reviewed (Hindustan Times)
- May 10, 2013 Broad-based movement focused on worker safety arises after building collapse in Bangladesh (The New York Times Green America)
- May 8, 2013 Great Plains Tar Sands Resistance Action Camp, near Ponca City, Oklahoma (Waging Nonviolence)
- May 5, 2013 Communist Party of Bangladesh (CPB) headquarters burned by Islamic fundamentalists. (BDNews24.Com)
- May 4, 2013 Living large with Chinese characteristics poses public health risk (The National Interest)
- May 3, 2013 Populist nationalist United Kingdom Independence Party gains in the UK (The Guardian)
- May 1, 2013 May Day celebrations in Venezuela (Venezuela Analysis)
- May 1, 2013 Fist fight breaks out after protest against gag order in Venezuelan Parliament (The Guardian)
- April 26, 2013 #LadyProfeco rejects seating at Maximo Bistrot and shuts restaurant down (#LadyProfeco BBC)
- April 26, 2013 Presentation by Chinese economist disrupted by Maoists (China Media Project)
- April 26, 2013 TV news crew warned by police to suppress story of unsafe garment factory in Bangladesh (The New York Times)
- April 20, 2013 Capitalist leaders endow scholarship fund for study by westerners at Tsinghua University in Beijing (The New York Times schwarzmanscholars YouTube)
- April 19, 2013 Politburo in China holds seminar on corruption (Caixin)
- April 19, 2013 Political rights of the Left Front suspended in Russia (Reuters UK)
- April 18, 2013 Land concentration and land grabbing are occurring and reaching blatant levels in Europe (European Coordination Via Campesina)
- April 17, 2013 What Next for the Eurozone? Macroeconomic Policy and the Recession (Center for Economic and Policy Research)
- April 17, 2013 Comment on BBC program "Undercover in North Korea" (NK News)
- April 17, 2013 Coffee shop opens in Pyongyang (Chosen Exchange)
- April 17, 2013 International Day of Peasants’ Struggles (La Via Campensina Actions around the World The New York Times)
- April 16, 2013 Spectre of a carbon bubble haunts financial markets (Carbon Tracker)
- April 16, 2013 Musallam el-Barrak sentenced to 5 years in prison for insulting the Emir of Kuwait (The New York Times')
- April 16, 2013 Release of the report of the blue ribbon Task Force on Detainee Treatment (U.S. torture of detainees) (The Constitution Project)
- April 16, 2013 Iceland and China sign free trade pact (News of Iceland)
- April 15, 2013 Review of The Cherokee Word for Water a biographical film of Wilma Mankiller, Cherokee chief (Indian Country Today The Cherokee Word for Water)
- April 15, 2013 InsideClimate News awarded Pulitzer Prize (InsideClimate News)
- April 15, 2013 North Korean ambassador to the UK addresses the Communist Party of Great Britain (Marxist–Leninist) (YouTube/stimmekoreas The Guardian)
- April 15, 2013 Efraín Ríos Montt on trial for genocide in Guatemala (The New York Times)
- April 15, 2013 Nicolás Maduro wins in Venezuela by a narrow margin.
- April 14, 2013 The Cambodians try to adapt to car culture (Sky Bridge Project Khemarak Sereymon Phnom Penh Post The New York Times)
- April 14, 2013 Presidential election scheduled in Venezuela (UpSideDownWorld Venezuela Analysis)
- April 13, 2013 Dead Dog
- April 13, 2013 British celebrate the death of Margaret Thatcher (Facebook)
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