{"id":768,"date":"2019-01-21T08:00:41","date_gmt":"2019-01-21T08:00:41","guid":{"rendered":"https:\/\/campus.hesge.ch\/blog-master-is\/?p=768"},"modified":"2019-01-11T08:35:41","modified_gmt":"2019-01-11T08:35:41","slug":"le-big-data-menace-ou-solution-pour-lenvironnement","status":"publish","type":"post","link":"https:\/\/campus.hesge.ch\/blog-master-is\/le-big-data-menace-ou-solution-pour-lenvironnement\/","title":{"rendered":"Le Big Data : menace ou solution pour l\u2019environnement ?"},"content":{"rendered":"<p style=\"text-align: justify;\">La premi\u00e8re s\u00e9ance du s\u00e9minaire du Master IS \u00e9tait consacr\u00e9e \u00e0 l\u2019information, aux donn\u00e9es et au Big Data. Ce billet propose d\u2019approfondir cette derni\u00e8re th\u00e9matique et de d\u00e9couvrir quels peuvent \u00eatre ses impacts sur l\u2019environnement, mais aussi quelles solutions le Big Data pourrait fournir afin de mettre en place des actions \u00e9cologiques.<\/p>\n<h2>Le Big Data, qu&#8217;est-ce que c&#8217;est ?<\/h2>\n<p style=\"text-align: justify;\">Tout d\u2019abord, d\u00e9finissons en quelques mots le Big Data. Comme le remarquent de Mauro, Greco et Grimaldi, dans leur article &#8220;<a href=\"https:\/\/doi.org\/10.1108\/LR-06-2015-0061\">A formal definition of Big Data based on its essential features&#8221;<\/a>, ce terme est relativement nouveau, et il n\u2019existe pas de d\u00e9finition consensuelle \u00e0 ce concept,\u00a0bien qu\u2019il soit commun\u00e9ment utilis\u00e9. Malgr\u00e9 cela, le terme de Big Data est habituellement d\u00e9fini en utilisant les trois lettres V\u00a0; certains le d\u00e9finissent aussi\u00a0<a href=\"https:\/\/www.definitions-marketing.com\/definition\/5v-du-big-data\/\">en utilisant deux \u00ab\u00a0V\u00a0\u00bb suppl\u00e9mentaires.<\/a> Le premier \u00ab\u00a0V\u00a0\u00bb se r\u00e9f\u00e8re au volume exponentiel de donn\u00e9es. Le deuxi\u00e8me \u00ab\u00a0V\u00a0\u00bb se rapporte \u00e0 la v\u00e9locit\u00e9, la vitesse croissante \u00e0 laquelle les donn\u00e9es sont g\u00e9n\u00e9r\u00e9es, captur\u00e9es et stock\u00e9es. Finalement, le troisi\u00e8me \u00ab\u00a0V\u00a0\u00bb d\u00e9crit la vari\u00e9t\u00e9 des donn\u00e9es g\u00e9n\u00e9r\u00e9es\u00a0: par exemple des donn\u00e9es m\u00e9dicales, financi\u00e8res, ou de g\u00e9olocalisation. \u00a0Dans certains cas, le Big Data est d\u00e9fini en utilisant le terme de v\u00e9racit\u00e9 se r\u00e9f\u00e9rant \u00e0 la potentielle non-fiabilit\u00e9 des donn\u00e9es. Un cinqui\u00e8me \u00ab\u00a0V\u00a0\u00bb est parfois utilis\u00e9 afin de d\u00e9crire la valeur que peuvent g\u00e9n\u00e9rer les donn\u00e9es.<\/p>\n<p style=\"text-align: justify;\">A la fin de leur article, les auteurs proposent la d\u00e9finition suivante: \u00ab\u00a0Big Data is the Information asset characterised by such a High Volume, Velocity and Variety to require specific Technology and Analytical Methods for its transformation into Value.\u00a0\u00bb (p.131) Cette d\u00e9finition permet donc de mettre en exergue les principales caract\u00e9ristiques du Big Data, en soulignant que celui-ci n\u00e9cessite des technologies et des m\u00e9thodes sp\u00e9cifiques afin que ces donn\u00e9es acqui\u00e8rent de la valeur et nous permettent d\u2019am\u00e9liorer notre connaissance de certains domaines.<\/p>\n<p style=\"text-align: justify;\">A titre d\u2019illustration, cette infographie nous permet de mettre quelques chiffres sur le Big Data et ainsi nous donner une id\u00e9e du volume de donn\u00e9es h\u00e9t\u00e9rog\u00e8nes cr\u00e9\u00e9es quotidiennement. Evidemment, il est impossible de toutes les exploiter, mais de nombreux domaines d\u2019activit\u00e9s utilisent d\u00e9sormais ces donn\u00e9es, comme par exemple la m\u00e9decine, la recherche scientifique ou la politique, par l\u2019utilisation de statistiques.<\/p>\n<p style=\"text-align: justify;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-777 size-full\" src=\"https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/infographiebigdata-1.jpg\" alt=\"\" width=\"640\" height=\"273\" srcset=\"https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/infographiebigdata-1.jpg 640w, https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/infographiebigdata-1-300x128.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p style=\"text-align: justify;\">Source\u00a0: <a href=\"https:\/\/www.esaip.org\/metiers\/numerique\/big-data\/\">https:\/\/www.esaip.org\/metiers\/numerique\/big-data\/<\/a><\/p>\n<h2>Big Data et environnement, quel rapport?<\/h2>\n<p style=\"text-align: justify;\">Le Big Data pourrait donc amener des solutions afin de pr\u00e9server davantage l\u2019environnement et l\u2019\u00e9tat de notre plan\u00e8te. En effet, le r\u00e9chauffement climatique est d\u00e9sormais une r\u00e9alit\u00e9 comme nous le montre cette vid\u00e9o\u00a0:<\/p>\n<p style=\"text-align: justify;\"><div class=\"kad-youtube-shortcode videofit\"  ><iframe width=\"4\" height=\"2\" src=\"\/\/www.youtube.com\/embed\/T4LVXCCmIKA?autoplay=0&amp;controls=1&amp;fs=1&amp;modestbranding=0&amp;theme=dark&amp;rel=0&amp;loop=0\" frameborder=\"0\" allowfullscreen=\"true\"><\/iframe><\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">La Suisse n\u2019est \u00e9videmment pas \u00e9pargn\u00e9e par le r\u00e9chauffement climatique, comme nous l\u2019ont par exemple montr\u00e9 les <a href=\"https:\/\/www.meteosuisse.admin.ch\/home\/climat\/changement-climatique-suisse.html\">temp\u00e9ratures moyennes en Suisse<\/a>. Selon les <a href=\"https:\/\/www.rts.ch\/info\/sciences-tech\/9901786-la-suisse-va-reexaminer-ses-objectifs-climatiques-apres-le-rapport-du-giec.html\">derniers rapports internationaux<\/a> il devient urgent et plus que n\u00e9cessaire d\u2019entreprendre des actions afin de ralentir la d\u00e9gradation de notre plan\u00e8te. Malgr\u00e9 cela, nous vivons dans une soci\u00e9t\u00e9 hyperconnect\u00e9e au sein de laquelle chaque personne, ou presque, poss\u00e8de un smartphone ou un ordinateur, ce qui augmente les d\u00e9penses en \u00e9nergie de chacun. \u00a0De plus, le Big Data n\u00e9cessite <a href=\"https:\/\/www.nature.com\/articles\/d41586-018-06610-y#ref-CR2\">l\u2019utilisation de centres de donn\u00e9es<\/a> \u00a0(en anglais \u00ab\u00a0data center\u00a0\u00bb) pour les traiter et les stocker. Ces derniers posent plusieurs probl\u00e8mes environnementaux\u00a0: nous pouvons en effet nous demander dans quels mat\u00e9riaux sont construits ces immenses centres\u00a0? Leur fonctionnement n\u00e9cessite \u00e9galement beaucoup d\u2019\u00e9lectricit\u00e9.<\/p>\n<h2>Des initiatives collectives et individuelles<\/h2>\n<p style=\"text-align: justify;\">Il nous faut toutefois mentionner que certains \u00ab\u00a0g\u00e9ants du net\u00a0\u00bb ont d\u00e9cid\u00e9 de r\u00e9duire l\u2019impact \u00e9cologique de leurs data center. Prenons l\u2019exemple de Facebook qui a d\u00e9cid\u00e9 de placer certains de ses <a href=\"https:\/\/www.lemonde.fr\/grands-formats\/visuel\/2016\/06\/29\/dans-le-data-center-de-facebook-aux-abords-du-cercle-polaire_4960471_4497053.html\">centres de donn\u00e9es pr\u00e8s du cercle polaire<\/a> afin de minimiser l\u2019impact \u00e9cologique de ses activit\u00e9s, ci-dessous celui de Lule\u00e5 en Su\u00e8de\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_774\" class=\"thumbnail wp-caption alignnone\" style=\"width: 300px\"><img decoding=\"async\" class=\"wp-image-774 size-medium\" src=\"https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/fb-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/fb-300x225.jpg 300w, https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/fb-768x575.jpg 768w, https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/fb.jpg 960w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption class=\"caption wp-caption-text\">Source : <a href=\"https:\/\/www.france24.com\/fr\/20160929-mark-zuckerberg-nous-fait-visiter-data-center-facebook-proche-cercle-polaire\">https:\/\/www.france24.com\/fr\/20160929-mark-zuckerberg-nous-fait-visiter-data-center-facebook-proche-cercle-polaire<\/a><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">De plus, certaines initiatives individuelles permettent aussi d\u2019utiliser le Big Data afin de prot\u00e9ger davantage l\u2019environnement. Comme par exemple <a href=\"https:\/\/engineering.jhu.edu\/news\/2017\/06\/28\/can-big-data-solve-climate-problems\/#.W-8ey-hKhPY\">Anna Scott, une \u00e9tudiante de Baltimore<\/a>\u00a0 qui a eu l\u2019id\u00e9e de cr\u00e9er et d\u2019installer des capteurs sans fils\u00a0 collectant des donn\u00e9es sur la temp\u00e9rature, les vagues de chaleur et la pollution qui sont ensuite transmises \u00e0 des chercheurs par des technologies sans fil. Finalement, ces donn\u00e9es peuvent servir \u00e0 mesurer les effets positifs d\u2019une plus grande v\u00e9g\u00e9talisation de la ville.<\/p>\n<p style=\"text-align: justify;\">Mentionnons aussi l\u2019existence d\u2019<a href=\"https:\/\/www.ecosia.org\/\">Ecosia<\/a>\u00a0: un m\u00e9tamoteur de recherche gratuit qui reverse les 80% de ses b\u00e9n\u00e9fices g\u00e9n\u00e9r\u00e9s par la publicit\u00e9 \u00e0 l\u2019aide \u00e0 la reforestation. En utilisant cet outil, les utilisateurs contribuent ainsi \u00e0 r\u00e9duire l\u2019impact \u00e9cologique induit par l\u2019utilisation des ordinateurs et smartphones.<\/p>\n<p style=\"text-align: justify;\"><em>In fine<\/em>, m\u00eame si le Big Data peut avoir un impact n\u00e9gatif sur l\u2019environnement de part l\u2019utilisation croissante d\u2019ordinateurs, de smartphones et la construction de centre de donn\u00e9es, certaines initiatives montrent que le Big Data pr\u00e9sente \u00e9galement un impact environnemental positif en utilisant \u00e0 bon escient les donn\u00e9es produites.<\/p>\n<h2 style=\"text-align: justify;\">Bibliographie<\/h2>\n<p>DE MAURO, Andrea, GRECO, Marco, GRIMALDI, Michele, 2016. &#8220;A formal definition of Big Data based on its essential features&#8221;. <em>Library Review<\/em>. [en ligne]. 2016. Vol. 65, Issue 3, pp.122-135. [Consult\u00e9 le 16 novembre 2018]. Disponible \u00e0 l\u2019adresse :\u00a0<a href=\"https:\/\/doi.org\/10.1108\/LR-06-2015-0061\">https:\/\/doi.org\/10.1108\/LR-06-2015-0061<\/a><\/p>\n<p>EUDES, Yves, 2016. Dans le data center de Facebook, aux abords du cercle polaire. <em>Le Monde.fr<\/em> [en ligne]. 29 juin 2016. [consult\u00e9 le 17 novembre 2018]. Disponible \u00e0 l\u2019adresse\u00a0:<a href=\"https:\/\/www.lemonde.fr\/grands-formats\/visuel\/2016\/06\/29\/dans-le-data-center-de-facebook-aux-abords-du-cercle-polaire_4960471_4497053.html\">https:\/\/www.lemonde.fr\/grands-formats\/visuel\/2016\/06\/29\/dans-le-data-center-de-facebook-aux-abords-du-cercle-polaire_4960471_4497053.html<\/a><\/p>\n<p>FRANCE 24, 2016. Mark Zuckerberg nous fait visiter un data center de Facebook proche du cercle polaire. <em>France24.com <\/em>[en ligne]. 29.09.2016. [consult\u00e9 le 15 novembre 2018]. Disponible \u00e0 l\u2019adresse\u00a0:<a href=\"https:\/\/www.france24.com\/fr\/20160929-mark-zuckerberg-nous-fait-visiter-data-center-facebook-proche-cercle-polaire\">https:\/\/www.france24.com\/fr\/20160929-mark-zuckerberg-nous-fait-visiter-data-center-facebook-proche-cercle-polaire<\/a><\/p>\n<p>JOHNS HOPKINS UNIVERSITY, WHITING SCHOOL OF ENGINEERING, 2017. Can big data help solve big climate problems? <em>Johns Hopkins Whiting School of Engineering<\/em> [en\u00a0ligne]. 28 juin 2017. [consult\u00e9 le 10 novembre 2018]. Disponible \u00e0 l\u2019adresse\u00a0:<a href=\"https:\/\/engineering.jhu.edu\/news\/2017\/06\/28\/can-big-data-solve-climate-problems\/\">https:\/\/engineering.jhu.edu\/news\/2017\/06\/28\/can-big-data-solve-climate-problems\/<\/a>.<\/p>\n<p>JONES, Nicola, 2018. \u00ab\u00a0How to stop data centres from gobbling up the world\u2019s electricity\u00a0\u00bb <em>Nature<\/em> [en ligne]. 12 septembre 2018. Vol.\u00a0561, p.\u00a0163. [Consult\u00e9 le 14 novembre 2016]. Disponible \u00e0 l\u2019adresse\u00a0:https:\/\/www.nature.com\/articles\/d41586-018-06610-y#ref-CR2<\/p>\n<p>LE MONDE, 2015. Comprendre le r\u00e9chauffement climatique en 4 minutes [enregistrement vid\u00e9o]. <em>Youtube <\/em>[en ligne]. 28 avril 2015. [Consult\u00e9 le 15 novembre 2018]. Disponible \u00e0 l\u2019adresse\u00a0:\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=T4LVXCCmIKA\">https:\/\/www.youtube.com\/watch?v=T4LVXCCmIKA<\/a><\/p>\n<p>RADIO TELEVISION SUISSE (GENEVE), 2018. La Suisse va r\u00e9examiner ses objectifs climatiques apr\u00e8s le rapport du GIEC. <em>Rts.ch<\/em> [en ligne]. 09 octobre 2018. [Consult\u00e9 le 15 novembre 2018]. Disponible \u00e0 l\u2019adresse\u00a0:https:\/\/www.rts.ch\/info\/sciences-tech\/9901786-la-suisse-va-reexaminer-ses-objectifs-climatiques-apres-le-rapport-du-giec.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La premi\u00e8re s\u00e9ance du s\u00e9minaire du Master IS \u00e9tait consacr\u00e9e \u00e0 l\u2019information, aux donn\u00e9es et au Big Data. Ce billet propose d\u2019approfondir cette derni\u00e8re th\u00e9matique et de d\u00e9couvrir quels peuvent \u00eatre ses impacts sur l\u2019environnement, mais aussi quelles solutions le &hellip; <a href=\"https:\/\/campus.hesge.ch\/blog-master-is\/le-big-data-menace-ou-solution-pour-lenvironnement\/\">Lire la suite\u00ad\u00ad<\/a><\/p>\n","protected":false},"author":34,"featured_media":769,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,12],"tags":[25,28,109,27,30],"class_list":["post-768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-big-data","category-reflexion-is","tag-big-data","tag-donnees","tag-environnement","tag-information","tag-master-is"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le Big Data : menace ou solution pour l\u2019environnement ? - Recherche d&#039;Id\u00e9eS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/campus.hesge.ch\/blog-master-is\/le-big-data-menace-ou-solution-pour-lenvironnement\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Big Data : menace ou solution pour l\u2019environnement ? - Recherche d&#039;Id\u00e9eS\" \/>\n<meta property=\"og:description\" content=\"La premi\u00e8re s\u00e9ance du s\u00e9minaire du Master IS \u00e9tait consacr\u00e9e \u00e0 l\u2019information, aux donn\u00e9es et au Big Data. Ce billet propose d\u2019approfondir cette derni\u00e8re th\u00e9matique et de d\u00e9couvrir quels peuvent \u00eatre ses impacts sur l\u2019environnement, mais aussi quelles solutions le &hellip; Lire la suite\u00ad\u00ad\" \/>\n<meta property=\"og:url\" content=\"https:\/\/campus.hesge.ch\/blog-master-is\/le-big-data-menace-ou-solution-pour-lenvironnement\/\" \/>\n<meta property=\"og:site_name\" content=\"Recherche d&#039;Id\u00e9eS\" \/>\n<meta property=\"article:published_time\" content=\"2019-01-21T08:00:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-01-11T08:35:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/campus.hesge.ch\/blog-master-is\/wp-content\/uploads\/2018\/12\/big-data.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"581\" \/>\n\t<meta property=\"og:image:height\" content=\"308\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ana\u00efs Perrenoud\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ana\u00efs Perrenoud\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/campus.hesge.ch\/blog-master-is\/le-big-data-menace-ou-solution-pour-lenvironnement\/\",\"url\":\"https:\/\/campus.hesge.ch\/blog-master-is\/le-big-data-menace-ou-solution-pour-lenvironnement\/\",\"name\":\"Le Big Data : menace ou solution pour l\u2019environnement ? 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