{"id":22455,"date":"2020-01-14T17:26:25","date_gmt":"2020-01-14T16:26:25","guid":{"rendered":"https:\/\/www.miljomagasinet.se\/?p=22455"},"modified":"2020-01-14T17:40:27","modified_gmt":"2020-01-14T16:40:27","slug":"karnkraften-var-tids-livfarliga-hydra","status":"publish","type":"post","link":"https:\/\/www.miljomagasinet.se\/index.php\/2020\/01\/14\/karnkraften-var-tids-livfarliga-hydra\/","title":{"rendered":"K\u00e4rnkraften \u2013 v\u00e5r tids livfarliga hydra"},"content":{"rendered":"\t\t
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K\u00e4rnkraften \u2013 v\u00e5r tids livfarliga hydra<\/h1>\n

K\u00e4rnkraften \u00e4r vare sig koldioxid- eller fossilfri sett ur dess hela livscykel. Uppbyggnad, drift och underh\u00e5ll, nedmontering och avfallshantering orsakar utsl\u00e4pp av koldioxid. Brytning av uranmalm och anrikning \u00e4r ocks\u00e5 k\u00e4llor till utsl\u00e4pp. Om den totala m\u00e4ngden koldioxid delas med den energi som levereras fr\u00e5n de olika k\u00e4rnkraftverken f\u00e5r man koldioxidutsl\u00e4ppet i ett livscykelperspektiv gram per kWh.<\/p>\n

Koldioxidutsl\u00e4pp p\u00e5 5\u2013146 gram koldioxid per kWh har redovisats i olika studier. Orsaken till de stora skillnaderna \u00e4r att renframst\u00e4llningen av uranbr\u00e4nslet skett p\u00e5 olika s\u00e4tt och att det finns k\u00e4rnkraftverk med olika konstruktion.<\/p>\n

Tre stora olyckor, i Harrisburg (USA 1979), Tjernobyl (Sovjetunionen 1986) och Fukushima (Japan 2011), har skadat tilltron till k\u00e4rnenergin i v\u00e4rlden.
El fr\u00e5n ny k\u00e4rnkraft \u00e4r dyrare \u00e4n den fr\u00e5n kol och gas och flera g\u00e5nger dyrare \u00e4n f\u00f6rnybar energi. I Europa kostar ny k\u00e4rnkraft en krona per kWh. De billigaste projekten f\u00f6r sol- och vindel producerar i dag el f\u00f6r s\u00e5 lite som 15\u201320 \u00f6re per kWh, utan subventioner.<\/p>\n

I Storbritannien har flera projekt \u00f6vergivits, trots gener\u00f6sa subventioner. I USA avbr\u00f6ts ett bygge f\u00f6r ett drygt \u00e5r sedan, trots investeringar p\u00e5 n\u00e4stan 100 miljarder kronor. Ett n\u00e4rliggande exempel \u00e4r det finl\u00e4ndska k\u00e4rnkraftsbygget i Olkiluoto som kommer att bli tio \u00e5r f\u00f6rsenat och minst dubbelt s\u00e5 dyrt som var utlovat.
\u00c4garna av svensk k\u00e4rnkraft har ocks\u00e5 meddelat att det av kostnadssk\u00e4l inte \u00e4r aktuellt att bygga ny k\u00e4rnkraft i Sverige.
Stilla Havet \u00e4r kontaminerat efter h\u00e4rdsm\u00e4ltan i Fukoshima. Enligt The Guardian 10 september 2019 lagras kontinuerligt kontaminerat vatten vid det havererade k\u00e4rnkraftverket och uppg\u00e5r nu till mer \u00e4n 1 miljon ton. Detta kan fortg\u00e5 till 2022 men sedan har man inte plats f\u00f6r mer. Grundvattnet \u00e4r kontaminerat med en radioaktivitet p\u00e5 1\u2009\u2009000\u2009000 Bq\/liter.
Tankesmedjan Japan Center for Economic Research har ber\u00e4knat kostnaden f\u00f6r att sanera efter k\u00e4rnkraftskatastrofen i japanska Fukushima. Kostnaden kommer sannolikt att motsvara 7 000 miljarder svenska kronor \u2013 det vill s\u00e4ga 7 \u00e5rs skatteint\u00e4kter i Sverige.<\/p>\n

K\u00e4rnkraften \u00e4r inte ekonomiskt h\u00e5llbar
K\u00e4rnkraften \u00e4r varken fossilfri eller koldioxidneutral
K\u00e4rnkraften \u00e4r den farligaste energik\u00e4lla vi skapat<\/p>\n

I Sverige finns drygt 6 000 ton h\u00f6gaktivt anv\u00e4nt k\u00e4rnbr\u00e4nsle fr\u00e5n landets k\u00e4rnkraftverk och hundratals kg tillkommer varje dag. Hur i all sina dar v\u00e5gar man p\u00e5st\u00e5 att det g\u00e5r att undanh\u00e5lla detta avfall fr\u00e5n allt levande i 100\u2009000 \u00e5r?!<\/p>\n

Foto: PublicDomainPictures.net<\/p>\n

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K\u00e4rnkraften \u2013 v\u00e5r tids livfarliga hydra K\u00e4rnkraften \u00e4r vare sig koldioxid- eller fossilfri sett ur dess hela livscykel. Uppbyggnad, drift<\/p>\n","protected":false},"author":12,"featured_media":22460,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pgc_meta":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[36,24,16,47,4],"tags":[],"yoast_head":"\nK\u00e4rnkraften \u2013 v\u00e5r tids livfarliga hydra - MILJ\u00d6MAGASINET<\/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:\/\/www.miljomagasinet.se\/index.php\/2020\/01\/14\/karnkraften-var-tids-livfarliga-hydra\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K\u00e4rnkraften \u2013 v\u00e5r tids livfarliga hydra - MILJ\u00d6MAGASINET\" \/>\n<meta property=\"og:description\" content=\"K\u00e4rnkraften \u2013 v\u00e5r tids livfarliga hydra K\u00e4rnkraften \u00e4r vare sig koldioxid- eller fossilfri sett ur dess hela livscykel. 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Uppbyggnad, drift","_links":{"self":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/posts\/22455"}],"collection":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/comments?post=22455"}],"version-history":[{"count":0,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/posts\/22455\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/media\/22460"}],"wp:attachment":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/media?parent=22455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/categories?post=22455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/tags?post=22455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}