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| [[File:Global Temperature Anomaly.svg|thumb|300px|right|Global mean surface temperature change from 1880 to 2019]] | | #REDIRECT [[Climate change]] |
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| [[File:Global warming explained in 3 minutes.webm|thumb|251x251px|A simple video explanation of global warming]]
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| [[File:2015 Annual Temperature Local Records.jpg|thumb|Places that were warmer (Red) and cooler (Blue) in 2015 than in previous average]]
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| [[File:Shifting Distribution of Summer Temperature Anomalies2.png|thumb|right|alt=refer to caption| In the Northern Hemisphere, unusually hot summers have become more common (relative to 1951–1980 mean), according to Hansen ''et al.'' (2012) as a consequence of global warming.]]
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| '''Global warming''' is a [[:en:wikt:steady|steady]] [[wikt:rise|rise]] in [[Earth]]'s surface [[temperature]].<ref>Campbell, Neil A. 2009. ''Biology concepts & connections''; page 119. Retrieved 2010-07-21.</ref><ref>{{cite journal |quotes= |last=Hansen |first=James |authorlink=James Hansen |coauthors= |author= | authors= | vauthors= |date=July 2012 |title=The New Climate Dice: Public Perception of Climate Change |publisher=Dr James E. Hansen, Columbia University |location=New York, USA |volume= |issue= |pages= |id= |url=http://www.columbia.edu/%7Ejeh1/mailings/2012/20120803_DicePopSci.pdf |format=PDF |accessdate= |quote= }}</ref> Temperatures today are about {{convert|1|C-change|F-change|abbr=}} higher than 150 [[:en:wikt:years|years]] ago.<ref name=":0">{{Cite web|url=https://www.ipcc.ch/site/assets/uploads/sites/2/2019/05/SR15_SPM_version_report_LR.pdf|title=IPCC SR15 Summary for Policymakers 2018|author=IPCC|first=|date=2018|work=|page=6|format=PDF|archive-url=|archive-date=|dead-url=|accessdate=}}</ref> Many scientists say that in the next 100–200 years, temperatures might be up to {{convert|6|C-change|F-change}} higher than they were before the effects of global warming were discovered. Most noticeable changes by this increase in temperature is the melting of ice caps all around the world. Sea level is rising steadily because of continental ice melting into the sea. As a prediction, many cities are soon to be partially submerged in the ocean. Consequently, many part of the world have a major increase in temperature.
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| Among the [[Greenhouse gas]]es, the [[concentration]] and increase of [[carbon dioxide]] in the [[atmosphere]] appears to be the main cause of global warming, as predicted by [[Svante Arrhenius]] a hundred years ago, confirming the work of [[Joseph Fourier]] more than 200 years ago. When people [[combustion|use]] [[fossil fuels]] like [[coal]] and [[oil]], this adds carbon dioxide in the air.<ref>{{cite news |last=Thompson ([[Climate Central]]) |first=Andrea |date=May 19, 2016 |title=Atmospheric CO2 May Have Topped 400 PPM Permanently |url=https://insideclimatenews.org/news/18052016/atmospheric-co2-carbon-dioxide-400-ppm-climate-change-keeling-curve |newspaper=[[InsideClimate News]] |location= |accessdate=August 12, 2016}}</ref> When people cut down many trees ([[deforestation]]), this means less carbon dioxide is taken out of the atmosphere by those [[plants]].
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| As the Earth's surface temperature becomes hotter the [[sea level]] becomes higher. This is partly because water [[Thermal expansion|expands]] when it gets warmer. It is also partly because warm temperatures make [[glacier]]s melt. The sea level rise causes [[coast]]al areas to [[flood]].<ref>{{cite web |url=https://www.nytimes.com/2016/09/04/science/flooding-of-coast-caused-by-global-warming-has-already-begun.html |title=Flooding of Coast, Caused by Global Warming, Has Already Begun; Scientists’ warnings that the rise of the sea would eventually imperil the United States’ coastline are no longer theoretical. |author=Justin Gillis |date=3 September 2016 |publisher=[[New York Times]] |accessdate=18 October 2016}}</ref> Weather patterns, including where and how much [[precipitation|rain or snow]] there is, will change. [[Desert]]s will probably increase in size. Colder areas will warm up faster than warm areas. Strong [[storm]]s may become more likely and [[farming]] may not make as much [[food]]. These effects will not be the same everywhere. The changes from one area to another are not well known.
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| People in [[government]] and [[Intergovernmental Panel on Climate Change]] (IPCC) have talked about global warming. They do not agree on what to do about it. Some things that could reduce warming are to burn less fossil fuels, adapt to any temperature changes, or try to change the Earth to reduce warming. The [[Kyoto Protocol]] tries to reduce [[pollution]] from the burning of fossil fuels. Most [[government]]s have agreed to it. Some people in government think nothing should change. The gas produced by cows digestion also causes global warming, because it contains a greenhouse gas called [[methane]].<ref>{{cite journal |last1=Boadi |first1=D. |last2=Benchaar |first2=C. |last3=Chiquette |first3=J. |last4=Massé |first4=D. |year=2004 |title=Mitigation strategies to reduce enteric methane emissions from dairy cows: Update review |journal=Can. J. Anim. Sci. |volume=84 |issue= 3|pages=319–335 |doi=10.4141/a03-109}}</ref>
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| == Temperature changes ==
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| {{see also|Temperature record of the past 1000 years}}
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| [[File:2000 Year Temperature Comparison.png|thumb|right|300px|A graph of temperatures over the past two thousand years from different [[proxy]] reconstructions.]]
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| [[Climate change]] has happened many times over the [[history of the Earth]], including the coming and going of [[ice age]]s. For more recent centuries, we have more details.
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| Since the 1800s, people have recorded the daily temperature. By about 1850, there were enough places measuring temperature so that scientists could know the global [[average]] temperature. From 1920 to 1940, the temperature got warmer. From 1940 to 1970, the temperature got slightly cooler. From 1970 to today, the average temperature for the world has increased by about 1 °C (1.8 ± 0.4 °F).<ref name=":0" /> Starting in 1979, [[Satellite (artificial)|satellites]] started measuring the temperature of the Earth.
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| Before 1850, there were not enough temperature measurements for us to know how warm or cold it was. [[Climatology|Climatologists]] use [[proxy]] measurements to try to figure out past temperatures before there were [[thermometer]]s. This means measuring things that change when it gets colder or warmer. One way is to cut into a tree and measure how far apart the [[growth ring]]s are. Trees that live a long time can give us an idea of how [[temperature]] and [[rain]] changed while it was alive.
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| For most of the past 2000 years the temperature didn't change much. There were some times where the temperatures were a little warmer or cooler. One of the most famous warm times was the [[Medieval Warm Period]] and one of the most famous cool times was the [[Little Ice Age]]. Other proxy measurements like the temperature measured in deep holes mostly agree with the tree rings. Tree rings and bore holes can only help scientists work out the temperature until about 1000 years ago. [[Ice core]]s are also used to find out the temperature back to about half a million years ago.
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| === The greenhouse effect ===
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| {{main|Greenhouse effect}}
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| [[File:Global Warming Observed CO2 Emissions from fossil fuel burning vs IPCC scenarios.svg|thumb|right|Fossil fuel related CO<SUB>2</SUB> emissions compared to five IPCC scenarios. The dips are related to global recessions.]]
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| [[Coal]]-burning power plants, [[car]] exhausts, factory [[Chimney|smokestack]]s, and other man-made waste gas vents give off about 23 billion tons of carbon dioxide and other [[greenhouse gas]]es into the Earth's atmosphere each year. The amount of CO<SUB>2</SUB> in the air is about 31% more than it was around 1750. About three-quarters of the CO<SUB>2</SUB> that people have put in the air during the past 20 years are due to burning [[fossil fuel]] like coal or oil. The rest mostly comes from changes in how land is used, like [[deforestation|cutting down trees]].<ref>{{cite web|url=http://www.grida.no/climate/ipcc_tar/wg1/006.htm |title=Climate change 2001: the scientific basis |publisher=Grida.no |accessdate=2010-11-03}}</ref>
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| === The Sun ===
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| {{main|Sun}}
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| The sun gets a little bit hotter and colder every 11 years. This is called the 11-year [[sunspot]] cycle. The change is so small that scientists can barely measure how it affects the temperature of the Earth. If the sun was causing the Earth to warm up, it would warm both the surface and high up in the air. But the air in the upper [[stratosphere]] is actually getting colder, so scientists don't think changes in the sun have much effect
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| === Dust and dirt ===
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| [[Dust]] and [[dirt]] in the air come from natural sources such as [[volcano]]s,<ref>{{cite web|url=http://www.scientificamerican.com/article/sun-dimming-volcanoes-partly-explain-global-warming-hiatus/|title=Sun-dimming Volcanoes Partly Explain Global Warming Hiatus|publisher=[[Scientific American]]|accessdate=23 January 2017}}</ref><ref>[http://www.scientificamerican.com/article/volcanoes-that-act-as-air-conditioning-for-a-warming-world/ ''Volcanoes that act as air-conditioning for a warming world; Many small eruptions over the past decade or so have helped restrain climate change''] May 2014 issue Scientific American</ref> [[erosion]] and [[meteor]]ic dust. People also add to it when they burn coal or oil. Some of this dirt falls out within a few hours. Some is [[aerosol]], so small that it could stay in the air for years. The aerosol particles that humans put in the atmosphere make the earth colder. The effect of dust therefore cancels out some of the effects of greenhouse gases.<ref>{{Cite web|url=https://earthobservatory.nasa.gov/features/Aerosols/page4.php|title=Aerosols: Tiny Particles, Big Impact|date=2010-11-02|website=earthobservatory.nasa.gov|language=en|access-date=2019-05-02}}</ref>
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| == Some responses ==
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| Some people try to stop global warming, usually by burning less fossil fuel. Many people have tried to get countries to emit less greenhouse gases. The [[Kyoto Protocol]] was signed in 1997. It was meant to reduce the amount of greenhouse gases in the atmosphere to below their levels in 1990. However, carbon dioxide levels have continued to rise.
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| [[Energy conservation]] is used to burn less fossil fuel. People can also use energy sources that don't burn fuel, or can prevent the carbon dioxide from getting out.
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| People can also change how they live because of any changes that global warming will bring. For example, they can go to places where the weather is better, or build walls around cities to keep flood water out. Like the preventive measures, these things cost money, and rich people and rich countries will be able to change more easily than the poor.
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| [[Geoengineering|Geoengineering]] is also seen by some as one [[climate change mitigation|climate change mitigation]] response. For example, a process using [[nanotechnology]] has been found to remove carbon dioxide from the air to create [[ethanol]].<ref>{{cite web |url=http://www.popularmechanics.com/science/green-tech/a23417/convert-co2-into-ethanol/ |title=Scientists Accidentally Discover Efficient Process to Turn CO2 Into Ethanol; The process is cheap, efficient, and scalable, meaning it could soon be used to remove large amounts of CO2 from the atmosphere. |author=Avery Thompson |date=October 17, 2016 |publisher=[[Popular Mechanics]] |accessdate=October 18, 2016}}</ref><ref>{{cite web |url=https://www.ornl.gov/news/nano-spike-catalysts-convert-carbon-dioxide-directly-ethanol |title=Nano-spike catalysts convert carbon dioxide directly into ethanol |date=October 12, 2016 |publisher=[[Oak Ridge National Laboratory]] |accessdate=October 18, 2016}}</ref><ref>{{cite web |url=http://www.sciencealert.com/scientists-just-accidentally-discovered-a-process-that-turns-co2-directly-into-ethanol |title=Scientists just accidentally discovered a process that turns CO2 directly into ethanol |author=BEC CREW |date=19 October 2016
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| |publisher=ScienceAlert |accessdate=25 October 2016}}</ref>
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| ==The term global warming==
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| The term global warming was first used in its modern sense on 8 August 1975 in a science paper by Wally Broecker in the [[Science (journal)|journal Science]] called "Are we on the brink of a pronounced global warming?". Broecker's choice of words was new and represented a significant recognition that the [[climate]] was warming; previously the phrasing used by scientists was "inadvertent climate modification," because while it was recognized humans could change the climate, no one was sure which direction it was going. The [[National Academy of Sciences]] first used global warming in a 1979 paper called the Charney Report, it said: "if carbon dioxide continues to increase, we find no reason to doubt that [[climate change]]s will result and no reason to believe that these changes will be negligible." The report made a distinction between referring to surface temperature changes as global warming, while referring to other changes caused by increased CO<sub>2</sub> as climate change.
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| Global warming became more widely popular after 1988 when NASA climate scientist [[James Hansen]] used the term in a testimony to Congress. He said: "global warming has reached a level such that we can ascribe with a high degree of confidence a cause and effect relationship between the greenhouse effect and the observed warming." His testimony was widely reported and afterward global warming was commonly used by the press and in public discourse.
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| == Effects of global warming on sea levels ==
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| Global warming means that [[Antarctica]] and [[Greenland]] ice sheets are melting and the oceans are expanding. The term "global warming" was created by [[Wallace Smith Broecker]]. Recent climate change would still cause a {{convert|6|meter|foot}} sea-level rise even if [[greenhouse gas]] emissions were reduced in 2015 per a scientific paper in ''[[Science (journal)|Science]]''.<ref>{{cite web |url=http://www.timesofmalta.com/articles/view/20150713/environment/rising-oceans-impact-enormous.576417 |title=Rising oceans impact ‘enormous’ |author=John von Radowitz |date=July 13, 2015 |work=Times of Malta |publisher=TimesOfMalta.com |accessdate=24 October 2015}}</ref><ref>{{cite journal |last=Dutton |first=A. |authorlink= |coauthors= A. E. Carlson, A. J. Long, G. A. Milne, P. U. Clark, R. DeConto, B. P. Horton, S. Rahmstorf, M. E. Raymo |year=10 July 2015 |title=Sea-level rise due to polar ice-sheet mass loss during past warm periods |journal=[[Science (journal)]] |volume=349 |issue=6244 |pages= |id= DOI: 10.1126/science.aaa4019|url=http://www.sciencemag.org/content/349/6244/aaa4019 |accessdate=24 October 2015 |quote= }}</ref>
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| Low-lying areas such as [[Bangladesh]], [[Florida]], the [[Netherland]]s and other areas face massive flooding.<ref>{{cite web|url=http://www.guardian.co.uk/science/2009/mar/08/climate-change-flooding|title=Scientists to issue stark warning over dramatic new sea level figures|first1=Robin|last1=McKie|first2=science|last2=editor|date=7 March 2009|publisher=|accessdate=23 January 2017|via=[[The Guardian]]}}</ref><ref>{{YouTube|QZmEUD3TftA|President Trump, Military Split on Climate Change}}</ref>
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| === Cities affected by current sea level rise ===
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| [[File:6m Sea Level Rise.jpg|thumb|Places the would be flooded by a {{convert|6|meter|foot}} sea level rise]]
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| Many cities are sea [[port]]<nowiki/>s and under threat of flooding if the present sea level rises.
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| These and the other cities have either started trying to deal with rising sea level and related [[storm surge]], or are discussing this, according to [[Wikipedia:Reliable sources|reliable sources]].
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| * [[London]] <ref>Floods in London. [http://www.rgs.org/OurWork/Schools/Teaching+resources/Key+Stage+3+resources/The+geography+of+science/Flood+in+London+A+Mission+Impossible.htm] [[Royal Geographical Society]]</ref>
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| * [[New York City]]<ref>{{cite web|url=http://www.dec.ny.gov/energy/45202.html|title=Sea Level Rise - NYS Dept. of Environmental Conservation|publisher=[[New York State Department of Environmental Conservation]]|accessdate=23 January 2017}}</ref><ref>[http://www.climatecentral.org/what-we-do/our-programs/sea-level-rise interactive map] from Climate Central</ref><ref>{{cite web|url=http://www.globalchange.gov/browse/sea-level-rise-tool-sandy-recovery|title=Mapping Sea Level Rise to Help Recovery after Hurricane Sandy|publisher=[[U.S. Global Change Research Program]]|accessdate=23 January 2017}}</ref><ref name="ReferenceA">[[World Bank]], ''World Development Report 2010'', 91.</ref><ref>[[Climate change in New York City]]</ref>
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| * [[Norfolk, Virginia]], in [[Hampton Roads]] area of [[United States]] <ref>{{Cite news| last = Noguchi| first = Yuki| title = As Sea Levels Rise, Norfolk Is Sinking And Planning| work = [[NPR]]| accessdate = 2014-11-25| date = 2014-06-24| url = https://www.npr.org/2014/06/24/324891517/as-sea-levels-rise-norfolk-is-sinking-and-planning}}</ref><ref>{{cite web|url=http://templatelab.com/cna-mab-2014-report/|title=National Security and the Accelerating Risks of Climate Change|first=|last=|date=May 2014|access-date=10 November 2015|website=TemplateLab.com|publisher=CNA Military Advisory Board}}</ref>
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| * [[Southampton]] <ref>http://www.iapsc.org.uk/document/R_Crighton.pdf Investigation of Air Pollution Standing Conference</ref>
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| * [[Crisfield, Maryland]], [[United States]] <ref>{{Cite news| last = Montgomery| first = David| title = Crisfield, Md., beats back a rising Chesapeake Bay| work = [[Washington Post]]| accessdate = 2013-10-27| date = 2013-10-24| url = https://www.washingtonpost.com/lifestyle/magazine/crisfield-md-beats-back-a-rising-chesapeake-bay/2013/10/24/ab213bda-0f1f-11e3-85b6-d27422650fd5_story.html}}</ref>
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| * [[Charleston, South Carolina]] <ref>[https://www.pbs.org/newshour/bb/two-cities-two-different-responses-rising-sea-levels/ ''Two cities, two very different responses to rising sea levels''] July 2, 2015 PBS NewsHour</ref>
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| * [[Miami]], [[Florida]], has been listed as "the number-one most vulnerable city worldwide" in terms of potential damage to property from storm-related flooding and sea-level rise.<ref name=RS62013>{{cite news|title=Goodbye, Miami|url=https://www.rollingstone.com/politics/news/why-the-city-of-miami-is-doomed-to-drown-20130620|accessdate=June 21, 2013|newspaper=Rolling Stone|date=June 20, 2013|author=Jeff Goodell|quote=The Organization for Economic Co-operation and Development lists Miami as the number-one most vulnerable city worldwide in terms of property damage, with more than $416 billion in assets at risk to storm-related flooding and sea-level rise.}}</ref><ref>[http://ngm.nationalgeographic.com/2015/02/climate-change-economics/parker-text ''Climate Change Economics''] February 2015 National Geographic</ref>
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| * [[Saint Petersburg]] <ref>{{cite web|url=http://www.climateadaptation.eu/russia/coastal-floods/|title=Coastal floods in Russia|publisher=|accessdate=23 January 2017}}</ref>
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| * [[Sydney]], [[Australia]] <ref name ="abc">{{cite web|url=http://www.abc.net.au/news/stories/2008/04/29/2229801.htm|title=Most at risk: Study reveals Sydney's climate change 'hotspots'|date=29 April 2008|publisher=|accessdate=23 January 2017}}</ref>
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| * [[Jakarta]] <ref>{{cite web|url=http://www.deltacities.com/cities/jakarta/climate-change-adaptation|title=Cities : Jakarta : Climate change adaptation :: Connecting Delta Cities|first=Connecting Delta|last=Cities|publisher=|accessdate=23 January 2017}}</ref>
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| * [[Thatta]] and [[Badin]], in [[Sindh]], [[Pakistan]] <ref>{{Cite web| last = Khan| first = Sami| title = Effects of Climate Change on Thatta and Badin| work = Envirocivil.com| accessdate = 2013-10-27| date = 2012-01-25| url = http://envirocivil.com/climate/effects-of-climate-change-on-thatta-and-badin/}}</ref>
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| * [[Malé]], [[Maldives]]
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| * [[Beijing]], [[Mumbai]], [[Buenos Aires]], [[Los Angeles]], [[Mexico City]], [[Moscow]], [[New Delhi]], [[Rio de Janeiro]] <ref name="ReferenceA"/>
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| === OECD 2007 REPORT ===
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| From a 2007 OECD report
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| # Miami, USA
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| # [[Guangzhou]], P.R. of China
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| # New York-Newark, USA
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| # [[Kolkata]], India
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| # [[Shanghai]], P.R. of China
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| # Mumbai, India
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| # [[Tianjin]], P.R. of China
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| # Tokyo, Japan
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| # Hong Kong, P.R. of China
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| # Bangkok, Thailand
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| # Ningbo, P.R. of China
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| # New Orleans, USA
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| # Osaka-Kobe, Japan
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| # Amsterdam, The Netherlands
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| # Rotterdam, The Netherlands
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| # Ho Chi Minh City, Vietnam
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| # Nagoya, Japan
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| # Qingdao, China
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| # Virginia Beach, USA
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| # Alexandria, Egypt
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| Another seven cities that are exposed to coastal flooding:
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| * Rangoon, Myanmar
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| * Hai Phòng, Vietnam
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| * Khulna, Bangladesh
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| * Lagos, Nigeria
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| * Abidjan, Côte d'Ivoire
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| * Chittagong, Bangladesh
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| * Jakarta, Indonesia
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| ==Further reading==
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| * [https://www.usatoday.com/story/news/nation/2013/02/28/climate-change-remaking-america/1917169/ ''Why you should sweat climate change''] March 1, 2013 [[USA Today]]
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| * [https://www.nytimes.com/2013/03/05/world/asia/australian-government-blames-climate-change-for-angry-summer.html ''Report Blames Climate Change for Extremes in Australia''] March 4, 2013 [[The New York Times]]
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| * [http://www.businessweek.com/articles/2012-11-01/its-global-warming-stupid ''It's Global Warming, Stupid''] November 1, 2012 ''[[BusinessWeek]]''
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| * [http://www.sciencenews.org/view/feature/id/346143/description/Extremely_Bad_Weather ''Extremely Bad Weather: Studies start linking climate change to current events''] November 17, 2012; Vol.182 #10 ''Science News''
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| * [https://www.nytimes.com/2013/03/08/science/earth/global-temperatures-highest-in-4000-years-study-says.html ''Global Temperatures Highest in 4,000 Years''] March 7, 2013 The New York Times
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| * IPCC. 2007 ''Climate change 2007. the physical science basis''. (summary for policy makers) IPCC.
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| * Jones C. ''Climate change: facts and impacts'' [online]. Available from: [http://www.thewatt.com/modules.php?name=Downloads&d_op=getit&lid=7 What effects are we seeing now and what is still to come?]
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| * Miller C. and Edwards P.N. (eds) 2001. ''Changing the Atmosphere: Expert Knowledge and Environmental Governance'', MIT Press.
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| * Ruddiman W.F. 2003. The anthropogenic greenhouse era began thousands of years ago, ''Climate Change'' '''61''' (3): 261-293.
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| * Ruddiman W.F. 2005. ''Plows, Plagues and Petroleum: how humans took control of climate.'' Princeton University Press.
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| == Related pages ==
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| * [[Climate change]]
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| * [[James Hansen]]
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| * [[Stern Review]]
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| * ''[[Storms of My Grandchildren]]''
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| * [[Intergovernmental Panel on Climate Change]]
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| * [[350.org]]
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| == References ==
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| {{reflist}}
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| == Other websites ==
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| {{sisterlinks|climate change}}
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| * [http://www.climate-change-guide.com/index.html The Climate Change Guide] easy-to-understand information on Climate Change
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| * [en.citizendium.org/wiki/Global_warming Glass bal warming] -Citizendium
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| === Public administrations and organizations ===
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| * [http://www.epa.gov/climatechange/ US EPA climate change and global warming website]
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| * [http://unfccc.int/essential_background/feeling_the_heat/items/2907.php The UN Climate Change Secretariat]
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| * [http://www.unep.org/themes/climatechange/ United Nations Environmental Program (UNEP)]: Climate Change Page
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| * [http://www.wmo.int/pages/prog/etr/pdf_web/926E.pdf Introduction to climate change: Lecture notes for meteorologists]
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| * [http://www.climatechange.eu.com/ European Union page about Climate Change].
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| === Other links ===
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| * [https://digital.library.unt.edu/govdocs/crs/search.tkl?q=climate&search_crit=title&search=Search&date1=Anytime&date2=Anytime&type=form Congressional Research Service (CRS) Reports regarding Climate change]
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| * [http://www.pewclimate.org/ The Pew Center on Global Climate Change]
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| * [http://www.ametsoc.org/POLICY/2007climatechange.html Climate Change - An Information Statement of the American Meteorological Society], updated Feb. 2007.
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| * [http://www.nature.org/initiatives/climatechange/issues/ Summary of the Impacts of Climate Change] from The Nature Conservancy
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| * [http://www.panda.org/climate Climate change and global warming] - [[World Wide Fund for Nature]].
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| * [http://globalchange.org/ Global Change] - globalchange.org
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| * [http://www.acia.uaf.edu/pages/overview.html Impacts of a Warming Arctic: Arctic Climate Impact Assessment] (2004) by the Arctic Climate Impact Assessment
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| * [http://www.acoolerclimate.com How To Help Prevent Global Warming Articles And Newsletter]
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| * [https://news.yahoo.com/s/afp/20090825/sc_afp/climatewarmingunipccpachaurico2 UN scientist backs '350' target for CO2 reduction]
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| * [https://www.usatoday.com/story/tech/columnist/vergano/2013/03/02/anthropocene-climate-farming/1955041/ ''Climate change dates back to dawn of first farmers''] March 3, 2013 [[USA Today]]
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| === BBC articles ===
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| * Oct 2018: [https://www.bbc.com/news/av/world-africa.../explainer-what-is-global-warming What is Global Warming?]
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| * Ongoing: [http://www.bbc.co.uk/sn/hottopics/climatechange/ BBC Climate Change Experiment]
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| [[Category:Energy]]
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| [[Category:Climate change]]
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| [[Category:Air pollution]]
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| {{pollution}}
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| [[Category:Pollution]]
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