{"id":30967,"date":"2018-10-30T06:32:00","date_gmt":"2018-10-30T06:32:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=30967"},"modified":"2023-06-26T11:07:32","modified_gmt":"2023-06-26T11:07:32","slug":"hot-or-not-scientists-clash-over-mining-impact-on-global-war-2216","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/hot-or-not-scientists-clash-over-mining-impact-on-global-war-2216\/","title":{"rendered":"Les scientifiques ne sont pas d\u2019accord concernant l\u2019impact du minage sur le r\u00e9chauffement climatique"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Si l&rsquo;on en croit les titres r&eacute;cents, Bitcoin pourrait &agrave; lui seul contribuer &agrave; faire augmenter au-del&agrave; de 2 degr&eacute;s Celsius le r&eacute;chauffement climatique et &agrave; ruiner l&rsquo;environnement pour les g&eacute;n&eacute;rations futures.<\/p><figure><img decoding=\"async\" src=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5bd\/7fb30af6ff.jpg\" sizes=\"(min-width: 640px) 720px, 100vw\" srcset=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5bd\/7fb30af6ff.jpg 300w, https:\/\/cimg.co\/w\/articles-attachments\/2\/5bd\/7fb30af6ff.jpg 600w, https:\/\/cimg.co\/w\/articles-attachments\/3\/5bd\/7fb30af6ff.jpg 720w, https:\/\/cimg.co\/w\/articles-attachments\/4\/5bd\/7fb30af6ff.jpg 900w, https:\/\/cimg.co\/w\/articles-attachments\/0\/5bd\/7fb30af6ff.jpg 1257w\" alt=\"\" class=\"content-img\"><figcaption>Source: iStock\/Ekaterina_Simonova<\/figcaption><\/figure><p>\u00ab\u00a0Bitcoin pourrait provoquer un changement climatique catastrophique d&rsquo;ici 2033\u00a0\u00bb, a averti le <i>Telegraph<\/i> dans un article publi&eacute; lundi. &laquo;Les bitcoins vont r&eacute;ellement ruiner le monde&raquo;, a &eacute;crit <i>CNET<\/i>, tandis que le journal isra&eacute;lien <i>Haaretz<\/i> nous avertissait que &laquo;[&hellip;] les Bitcoins rendent le monde dangereusement plus chaud et extr&ecirc;mement rapidement &raquo;.<\/p><p>Ces titres ne sont que quelques-uns des articles publi&eacute;s hier &agrave; la suite d&rsquo;un nouveau rapport de recherche r&eacute;dig&eacute; par une &eacute;quipe de scientifiques de l&rsquo;Universit&eacute; d&rsquo;Hawaii, publi&eacute; dans <b><a href=\"https:\/\/www.nature.com\/articles\/s41558-018-0321-8\" target=\"_blank\" rel=\"noopener\">Nature<\/a><\/b>, une revue scientifique internationale. Selon le rapport, Bitcoin &laquo;pourrait &agrave; lui seul &eacute;mettre suffisamment d&rsquo;&eacute;missions de CO2 (dioxyde de carbone) pour propulser le r&eacute;chauffement au-dessus de 2 &deg; C en moins de trois d&eacute;cennies&raquo;. Cependant, les auteurs reconnaissent que le minage de bitcoins devient plus &eacute;conome en frais de consommation d&rsquo;&eacute;nergie.<\/p><p>Pendant ce temps, d&rsquo;autres experts et scientifiques qui ont discut&eacute; sur <b>ThinkProgess<\/b>, un site Web d&rsquo;information soutenu par le Center for American Progress Action Fund, ont d&eacute;crit les hypoth&egrave;ses et conclusions de l&rsquo;&eacute;tude comme \u00ab\u00a0imprudentes, dangereuses, irresponsables et trompeuses\u00a0\u00bb.<\/p><h2 data-param=\"1\" id=\"dautres-chercheurs-rejettent-ces-preoccupations\">D&rsquo;autres chercheurs rejettent ces pr&eacute;occupations<\/h2><span class=\"replacer\"><\/span><p>Selon <b>Eric Masanet<\/b>, professeur en g&eacute;nie m&eacute;canique, responsable du laboratoire d&rsquo;analyse des syst&egrave;mes de ressources et d&rsquo;&eacute;nergie de la <i>Northwestern University<\/i>, les conclusions de l&rsquo;&eacute;tude peuvent &ecirc;tre d&eacute;menties en soulignant trois faiblesses:<\/p><p>Premi&egrave;rement, il a d&eacute;clar&eacute;: &laquo;Nous savons que le secteur &eacute;nerg&eacute;tique mondial est en train de se d&eacute;carboniser.&raquo; Deuxi&egrave;mement, le secteur des technologies de l&rsquo;information, y compris le minage de cryptomonnaies, devient de plus en plus &eacute;conome en &eacute;nergie. Enfin, il a d&eacute;clar&eacute; que les auteurs de l&rsquo;&eacute;tude \u00ab\u00a0insistent sur une adoption massive et rapide des cryptomonnaies, entra&icirc;nant des estimations douteuses et gonfl&eacute;es des futures &eacute;missions de carbone\u00a0\u00bb.<\/p><p><b>Arman Shehabi<\/b> du <b>Lawrence Berkeley National Lab<\/b>, un laboratoire du <b>Department of Energy Office of Science<\/b> g&eacute;r&eacute; par l&rsquo;Universit&eacute; de Californie, partage l&rsquo;opinion de Masanet, et a ajout&eacute; que les auteurs de l&rsquo;&eacute;tude &eacute;taient sur la mauvaise voie en se concentrant sur un sc&eacute;nario improbable selon lequel la demande de transactions en bitcoins et les &eacute;missions de dioxyde de carbone r&eacute;sultant de cette demande en &eacute;lectricit&eacute; resteraient statiques au cours des cent prochaines ann&eacute;es, tandis que les bitcoins seraient imm&eacute;diatement adopt&eacute;s rapidement. \u00ab\u00a0<\/p><p>Il a d&eacute;clar&eacute; &agrave; ThinkProgress qu&rsquo;il &eacute;tait \u00ab\u00a0absurde\u00a0\u00bb de croire que la consommation d&rsquo;&eacute;nergie de chaque transaction bitcoin restera constante au cours des cent prochaines ann&eacute;es.<\/p><p>En ao&ucirc;t dernier, <b>Katrine Kelly-Pitou<\/b>, associ&eacute;e de recherche en g&eacute;nie &eacute;lectrique et informatique &agrave; l&rsquo;Universit&eacute; de Pittsburgh, a &eacute;galement d&eacute;clar&eacute; que les inqui&eacute;tudes suscit&eacute;es par la consommation d&rsquo;&eacute;nergie de Bitcoin &eacute;taient exag&eacute;r&eacute;es. Au lieu de cela, affirme-t-elle, le facteur important n&rsquo;est pas la quantit&eacute; d&rsquo;&eacute;nergie consomm&eacute;e par Bitcoin, mais les sources d&rsquo;&eacute;nergie, tout en pr&eacute;conisant une plus grande exploitation de minage dans les pays et les r&eacute;gions disposant d&rsquo;une offre abondante d&rsquo;&eacute;nergie propre et renouvelable. Selon Kelly-Pitou, le minage de bitcoin utilise une quantit&eacute; d&rsquo;&eacute;nergie exorbitante: environ 30 t&eacute;rawatts par heure en 2017, tandis que les op&eacute;rations bancaires consomment environ 100 t&eacute;rawatts de puissance par an.<\/p>","protected":false},"excerpt":{"rendered":"<p>Si l&rsquo;on en croit les titres r&eacute;cents, Bitcoin pourrait &agrave; lui seul contribuer &agrave; faire augmenter au-del&agrave; de 2 degr&eacute;s Celsius le r&eacute;chauffement climatique et &agrave; ruiner l&rsquo;environnement pour les g&eacute;n&eacute;rations futures.Source: iStock\/Ekaterina_Simonova\u00ab\u00a0Bitcoin pourrait provoquer un changement climatique catastrophique d&rsquo;ici 2033\u00a0\u00bb, a averti le Telegraph dans un article publi&eacute; lundi. &laquo;Les bitcoins vont r&eacute;ellement ruiner [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,1],"tags":[84,44,656,122,71,62,64],"editors":[2550],"sponsored_companies":[],"class_list":["post-30967","post","type-post","status-publish","format-standard","hentry","category-bitcoin-news","category-news","tag-adoption","tag-bitcoin","tag-bitcoin-minage","tag-bitcoins","tag-cryptomonnaies","tag-minage","tag-minage-bitcoin","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les scientifiques ne sont pas d\u2019accord concernant l\u2019impact du minage sur le r\u00e9chauffement climatique<\/title>\n<meta name=\"description\" content=\"Si l&rsquo;on en croit les titres r&eacute;cents, Bitcoin pourrait &agrave; 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