{"id":192343,"date":"2026-08-24T12:10:16","date_gmt":"2026-08-24T10:10:16","guid":{"rendered":"https:\/\/newmobility.news\/?p=192343"},"modified":"2026-08-24T12:02:09","modified_gmt":"2026-08-24T10:02:09","slug":"higher-co2-levels-make-food-more-calorie-dense-but-not-more-nutritious","status":"publish","type":"post","link":"https:\/\/newmobility.news\/nl\/2026\/08\/24\/higher-co2-levels-make-food-more-calorie-dense-but-not-more-nutritious\/","title":{"rendered":"Hogere CO\u2082-concentraties zorgen ervoor dat voedsel meer calorie\u00ebn bevat, maar niet voedzamer is"},"content":{"rendered":"Wetenschappers van de Universiteit Leiden hebben bewijs gevonden dat planten sneller groeien door een verhoogd CO\u2082-gehalte. De keerzijde hiervan is dat ze meer calorie\u00ebn bevatten, maar minder voedzaam worden. De voedingswaarde van vrijwel alle gewassen is afgenomen \u2013 planten bevatten minder eiwitten, ijzer en andere voedingsstoffen. \n\nDe<div class=\"leaky_paywall_message_wrap\"><div id=\"leaky_paywall_message\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"nag_logo\" src=\"https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2022\/02\/nmn-logo-long-transparent-small-4.png?w=300&#038;ssl=1\"  alt=\"Nieuws over nieuwe mobiliteit\" \/>\r\n\r\n<h2 class=\"text-center\">\r\n\tLees dit artikel nu gratis!\r\n<\/h2>\r\nRegistreer een gratis account en krijg toegang tot dit artikel en haal meer uit New Mobility.\r\n\n\t\t<div id=\"leaky-paywall-quick-register\" class=\"inline\">\n\t\t\t<form id=\"leaky-paywall-quick-register-form\" method=\"POST\" action=\"\" data-trp-original-action=\"\">\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<p class=\"form-field email-field\">\n\t\t\t\t\t<label for=\"email\">E-mail<\/label>\n\t\t\t\t\t<input class=\"email\" type=\"email\" name=\"email\" placeholder=\"Voer uw e-mailadres in\" value=\"\" required>\n\t\t\t\t<\/p>\n\n\t\t\t\t\t\t\t\t\t<p class=\"form-field password-field\">\n\t\t\t\t\t\t<label for=\"password\">Wachtwoord<\/label>\n\t\t\t\t\t\t<input class=\"password\" type=\"password\" name=\"password\" placeholder=\"Maak een wachtwoord aan\" value=\"\" required>\n\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<input name=\"company_url\" type=\"text\" value=\"\" autocomplete=\"off\" tabindex=\"-1\" style=\"display:none !important; position:absolute; left:-9999px;\" \/>\n\n\t\t\t\t<input type=\"hidden\" name=\"level_id\" value=\"20\">\n\n\t\t\t\t<input type=\"submit\" value=\"Registreer gratis\">\n\n\t\t\t\t\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"nl\"\/><\/form>\n\n\t\t\t<div id=\"leaky-paywall-quick-register-errors\"><\/div>\n\t\t<\/div>\n\n\r\n\r\n<p class=\"text-center\"><strong>\u2014 OF \u2014<\/strong>\r\n\r\n<p class=\"text-center\"><strong>Nu abonneren<\/strong> Krijg onbeperkte toegang tot de originele content van onze uitgeverspartners, ontvang meldingen over het laatste nieuws en krijg dagelijks een zakelijk overzicht, samengesteld door onze gespecialiseerde journalisten, met de belangrijkste artikelen over uw sector die u moet lezen.<\/p>\r\n\r\n<div class=\"nag_buttons\">\r\n\t<a class=\"button\" href=\"https:\/\/newmobility.news\/nl\/abonnement\/\">Nu abonneren<\/a> \r\n\t<span class=\"nag_button_divider\"> of <\/span> \r\n\t<a href=\"https:\/\/newmobility.news\/nl\/log-in\/\">AANMELDEN<\/a>\r\n<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Scientists at Leiden University have found evidence that plants grow faster due to increased\u00a0CO2.\u00a0The flip side is that they become higher in calories but less nutritious. The nutritional value of virtually all crops has declined \u2013 plants contain less protein, iron, and other nutrients.\u00a0 The Read this article now for free! Register a free account [&hellip;]<\/p>\n","protected":false},"author":175,"featured_media":192374,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[29,51851,77201,4],"tags":[],"class_list":["post-192343","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environment","category-health","category-study","category-top-stories-today"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=967%2C640&ssl=1",967,640,false],"thumbnail":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=300%2C199&ssl=1",300,199,true],"medium_large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=640%2C424&ssl=1",640,424,true],"large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=640%2C424&ssl=1",640,424,true],"1536x1536":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=967%2C640&ssl=1",967,640,true],"2048x2048":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=967%2C640&ssl=1",967,640,true],"trp-custom-language-flag":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=18%2C12&ssl=1",18,12,true],"related-thumb":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=640%2C480&ssl=1",640,480,true],"gform-image-choice-sm":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=300%2C300&ssl=1",300,300,true],"gform-image-choice-md":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=400%2C400&ssl=1",400,400,true],"gform-image-choice-lg":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=600%2C600&ssl=1",600,600,true],"mailchimp":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?fit=560%2C371&ssl=1",560,371,true],"unipress-phone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=640%2C100&ssl=1",640,100,true],"unipress-tablet":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=967%2C240&ssl=1",967,240,true],"unipress-tablet-portrait":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=967%2C180&ssl=1",967,180,true],"unipress-tablet-landscape":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=967%2C180&ssl=1",967,180,true],"unipress-smartphone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=967%2C168&ssl=1",967,168,true],"unipress-wide-screen":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/08\/Scherm%C2%ADafbeelding-2026-08-24-om-11.27.23.png?resize=967%2C180&ssl=1",967,180,true]},"post_excerpt_stackable_v2":"<p>Scientists at Leiden University have found evidence that plants grow faster due to increased\u00a0CO2.\u00a0The flip side is that they become higher in calories but less nutritious. The nutritional value of virtually all crops has declined \u2013 plants contain less protein, iron, and other nutrients.\u00a0 The Read this article now for free! Register a free account and gain access to this article and get more from New Mobility Email Password \u2014 OR \u2014 Subscribe now Get unlimited access to the original content of our publishing partners, be alerted on breaking news and get a daily business summary, composed by our specialist&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/newmobility.news\/nl\/category\/environment\/\" rel=\"category tag\">Environment<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/health\/\" rel=\"category tag\">Health<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/study\/\" rel=\"category tag\">Study<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/top-stories-today\/\" rel=\"category tag\">Top Stories Today<\/a>","author_info_v2":{"name":"Hilde Van Raemdonck","url":"https:\/\/newmobility.news\/nl\/author\/hilde-van-raemdonck\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Higher CO2 levels make food more calorie-dense but not more nutritious - newmobility.news<\/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:\/\/newmobility.news\/nl\/2026\/08\/24\/higher-co2-levels-make-food-more-calorie-dense-but-not-more-nutritious\/\" \/>\n<meta property=\"og:locale\" content=\"nl_BE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Higher CO2 levels make food more calorie-dense but not more nutritious - newmobility.news\" \/>\n<meta property=\"og:description\" content=\"Scientists at Leiden University have found evidence that plants grow faster due to increased\u00a0CO2.\u00a0The flip side is that they become higher in calories but less nutritious. 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