{"id":22546,"date":"2014-05-15T21:39:55","date_gmt":"2014-05-15T14:39:55","guid":{"rendered":"http:\/\/www.forestsnews.org\/?p=22546"},"modified":"2015-07-30T15:49:35","modified_gmt":"2015-07-30T08:49:35","slug":"y-aura-t-il-assez-de-nourriture-reflexions-sur-le-rapport-du-giec-gtii","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/22546\/y-aura-t-il-assez-de-nourriture-reflexions-sur-le-rapport-du-giec-gtii","title":{"rendered":"Y aura-t-il assez de nourriture? R\u00e9flexions sur le rapport du GIEC GTII"},"content":{"rendered":"<p class=\"mceTemp\">\n<dl class=\"wp-caption alignnone\" id=\"attachment_21974\" style=\"width: 510px;\">\n<dt class=\"wp-caption-dt\"><a href=\"http:\/\/www.forestsnews.org\/wp-content\/uploads\/2014\/04\/DG-blog-foto.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-21974 \" alt=\"Frutos de asa\u00ed en los bosques de Brasil. Foto: Kate Evans\/CIFOR\" src=\"\/\/www.forestsnews.org\/wp-content\/uploads\/2014\/04\/DG-blog-foto-500x332.jpg\" width=\"500\" height=\"332\" \/><\/a><\/dt>\n<dd class=\"wp-caption-dd\">Fruits de l\u2019a\u00e7a\u00ef des for\u00eats du Br\u00e9sil. Photo: Kate Evans\/CIFOR<\/dd>\n<\/dl>\n<p><em><span style=\"font-size: 14px; line-height: 1.5em; color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">(Blog publi\u00e9 dans sa version originale le 3 avril 2014) <\/span><\/span><\/em><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Le <\/span><\/span><a style=\"font-size: 14px; line-height: 1.5em;\" href=\"http:\/\/www.ipcc.ch\/report\/ar5\/wg2\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">rapport du Groupe de travail II du GIEC<\/span><\/span><\/a><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">, intitul\u00e9 \u00abChangements climatiques: cons\u00e9quences, adaptation et vuln\u00e9rabilit\u00e9\u00bb, a \u00e9t\u00e9 publi\u00e9 fin mars. Un groupe de plus de 300 scientifiques y a consacr\u00e9 un effort consid\u00e9rable. Il s&rsquo;agit de l&rsquo;une des \u00e9tudes les plus importantes pour nous tous qui sommes concern\u00e9s par l&rsquo;avenir de l&rsquo;humanit\u00e9.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Ce rapport est important pour plusieurs raisons :<\/span><\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\">Il confirme que le changement climatique caus\u00e9 par l\u2019homme nous affecte de plus en plus et que cela est consid\u00e9rablement plus av\u00e9r\u00e9 qu&rsquo;avant.<\/span><\/span><\/li>\n<\/ul>\n<ul>\n<li><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\">Il cr\u00e9e une plate-forme pour les financements et les actions en faveur de l&rsquo;adaptation aux changements.<\/span><\/span><\/li>\n<\/ul>\n<ul>\n<li><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\">Il sugg\u00e8re que l&rsquo;adaptation au changement climatique est une question de gestion et d\u2019\u00e9volution des risques, li\u00e9 \u00e0 la variabilit\u00e9 climatique et aux changements climatiques \u00e0 long terme.\u00a0<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Ce dernier point est important. Toute entreprise humaine comporte quelques \u00e9l\u00e9ments de risque. Le rapport se concentre sur la fa\u00e7on dont le changement climatique va engendrer des risques et changements particuliers pour d&rsquo;autres sources de risque au niveau de services environnementaux et de secteurs \u00e9conomiques vari\u00e9s, tels que les \u00e9cosyst\u00e8mes terrestres et d&rsquo;eau douce, la s\u00e9curit\u00e9 alimentaire, la croissance \u00e9conomique ou la prise de d\u00e9cision au niveau locale.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">J&rsquo;ai lu le rapport du GIEC en sachant que deux processus de l&rsquo;ONU travaillent sur un agenda pour notre avenir commun durant les 12 prochains mois. En d\u00e9cembre 2015, les pays seront amen\u00e9s \u00e0 adopter un accord global sur le climat pour remplacer le Protocole de Kyoto. L\u2019agenda du d\u00e9veloppement post-2015 et le processus des Objectifs de D\u00e9veloppement Durable se d\u00e9roulent en parall\u00e8le.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Comme d\u00e9j\u00e0 mentionn\u00e9, nous avons une opportunit\u00e9 d\u2019envergure pour int\u00e9grer les actions cr\u00e9\u00e9es dans le cadre de ces deux processus. Le rapport GTII fournit une base scientifique qui peut nous aider \u00e0 atteindre une telle approche int\u00e9gr\u00e9e.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Dans ce blog, je me concentre sur les enjeux alimentaires mentionn\u00e9s dans le rapport du GTII. Apr\u00e8s sa publication, une attention consid\u00e9rable a \u00e9t\u00e9 accord\u00e9e \u00e0 l&rsquo;augmentation des risques pour les syst\u00e8mes alimentaires en raison du changement climatique (par exemple <a href=\"http:\/\/www.bbc.com\/news\/science-environment-26810559\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">ici<\/a>, <a href=\"http:\/\/articles.economictimes.indiatimes.com\/2014-04-01\/news\/48767341_1_national-action-plan-climate-change-ipcc\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">ici<\/a>, <a href=\"http:\/\/www.thetimes.co.uk\/tto\/news\/world\/article4050233.ece\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">ici<\/a> et <a href=\"http:\/\/www.huffingtonpost.com\/2014\/03\/23\/climate-change-damage-un-report_n_5016357.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">l\u00e0<\/a>). Finalement, cela a fermement d\u00e9plac\u00e9 l&rsquo;agriculture et les enjeux alimentaires au coeur du d\u00e9bat sur le climat, ce qui est positif. Pour qu\u2019un d\u00e9bat nuanc\u00e9 puisse aller de l&rsquo;avant, il est important de l&rsquo;enrichir de donn\u00e9es scientifiques solides. <\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Dans un blog \u00e0 venir, je parlerai de la fa\u00e7on dont les for\u00eats et les enjeux forestiers sont int\u00e9gr\u00e9s (ou pas) dans le rapport.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Le chapitre 7 du rapport, \u00abLa s\u00e9curit\u00e9 alimentaire et les syst\u00e8mes de production alimentaire\u00bb, souligne \u00e0 juste titre une augmentation des risques pour la production agricole due au changement climatique \u2013 les tendances climatiques ont affect\u00e9 n\u00e9gativement la production de bl\u00e9 et de ma\u00efs dans de nombreuses r\u00e9gions et, dans une moindre mesure, les rendements de riz et de soja. Les r\u00e9sultats des analyses indiquent un impact tr\u00e8s vari\u00e9, une baisse de 2% des rendements par d\u00e9cennie \u00e9tant largement cit\u00e9 dans les m\u00e9dias.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">En m\u00eame temps, il est important de replacer ces risques li\u00e9s au changement climatique dans leur contexte. Au cours des 50 derni\u00e8res ann\u00e9es, la productivit\u00e9 agricole <a href=\"http:\/\/www.fao.org\/news\/story\/en\/item\/178138\/icode\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">a tripl\u00e9<\/a><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\"> ou augment\u00e9 de 1 \u00e0 2% <\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\"><b>par an<\/b><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">. Il semble y avoir peu de doute que cette <a href=\"http:\/\/www.oecd.org\/site\/oecd-faoagriculturaloutlook\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">tendance se poursuit<\/a> <\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">gr\u00e2ce aux nouvelles technologies, aux investissements plus efficaces et \u00e0 l&rsquo;\u00e9volution des demandes et des march\u00e9s.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Il y aura, cependant, de nombreux <a href=\"http:\/\/www.nature.com\/ncomms\/journal\/v3\/n12\/full\/ncomms2296.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">d\u00e9fis<\/a> \u2013 notamment de trouver des moyens de r\u00e9duire l&rsquo;impact des syst\u00e8mes alimentaires sur le climat et l&rsquo;environnement. N&rsquo;oublions pas que jusqu&rsquo;\u00e0 un tiers de nos \u00e9missions proviennent des secteurs terrestres, principalement li\u00e9s \u00e0 la production alimentaire. Nous avons donc besoin des innovations ainsi que des investissements renforc\u00e9s dans la recherche et le d\u00e9veloppement, en faveur d\u2019une agriculture intelligente face au climat et de paysages durables.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Dans ce contexte, certaines r\u00e9flexions sur l&rsquo;\u00e9chelle peuvent \u00eatre pertinentes. Les actions en faveur de l&rsquo;adaptation, la r\u00e9silience et la r\u00e9duction de la vuln\u00e9rabilit\u00e9 sont largement de nature locale et ont besoin de param\u00e8tres de priorit\u00e9s adapt\u00e9s \u00e0 une grande diversit\u00e9 de lieux, soci\u00e9t\u00e9s et paysages. Ceci est particuli\u00e8rement vrai pour l&rsquo;agriculture et la foresterie o\u00f9 les facteurs \u00e9conomiques et \u00e9cologiques sp\u00e9cifiques d\u00e9terminent les meilleurs moyens de progresser.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Le rapport du GIEC est \u00e9videmment par nature mondial. Toutefois, il contient quelques mesures pour les priorit\u00e9s locales dans le Volume II ; ici l&rsquo;information est fournie par r\u00e9gion, m\u00eame si cela reste \u00e9galement \u00e0 un niveau tr\u00e8s g\u00e9n\u00e9ral.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">La prise de d\u00e9cision aux niveaux national et local exige des informations am\u00e9lior\u00e9es et plus sp\u00e9cifiques au lieu, concernant les aspects physiques du changement climatique et les risques li\u00e9s au climat. Ces \u00e9l\u00e9ments doivent \u00eatre int\u00e9gr\u00e9s aux \u00e9valuations d\u2019impacts, aux \u00e9tudes d&rsquo;adaptation et de gestion des risques, ainsi qu\u2019aux \u00e9valuations de la vuln\u00e9rabilit\u00e9. En outre, ces d\u00e9cisions doivent inclure un large \u00e9ventail d&rsquo;autres priorit\u00e9s et aspirations. Les consid\u00e9rations relatives au changement climatique peuvent \u00eatre per\u00e7ues comme un \u00e9l\u00e9ment essentiel \u00e0 toutes les d\u00e9cisions visant un d\u00e9veloppement durable, \u00e0 tous les niveaux.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Pour cette raison, les \u00e9valuations de la vuln\u00e9rabilit\u00e9, des impacts et des besoins d&rsquo;adaptation sont actuelles ; et si elles sont bien int\u00e9gr\u00e9es dans les discussions \u00e0 venir sur les ODD ce serait avantageux pour tous.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">L&rsquo;ann\u00e9e prochaine sera cruciale pour parvenir \u00e0 une convergence entre les agendas du changement climatique et du d\u00e9veloppement durable. Le rapport GTII soutient fermement la n\u00e9cessit\u00e9 d&rsquo;harmonie entre ces deux processus et fournit une base de preuves solides pour int\u00e9grer davantage les actions li\u00e9es au climat \u00e0 d&rsquo;autres priorit\u00e9s politiques.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Je ne suis absolument pas d&rsquo;accord avec certaines sp\u00e9culations actuelles concernant la famine ou accr\u00e9ditant Malthus, comme <a href=\"http:\/\/www.nytimes.com\/2014\/04\/02\/business\/energy-environment\/a-200-year-old-forecast-for-food-scarcity-may-yet-come-true.html?_r=2\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u00e9voqu\u00e9es par le New York Times<\/a>. En outre, <\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\"><a href=\"http:\/\/www.theguardian.com\/environment\/2014\/apr\/01\/climate-change-food-issue-ipcc-report\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">pr\u00e9senter le changement climatique comme un enjeu purement alimentaire<\/a>, comme l\u2019a fait le Guardian, peut-\u00eatre opportun, mais pourrait aussi attirer l&rsquo;attention politique au mauvais endroit.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\">Si nous posons correctement les priorit\u00e9s mondiales, que nous investissons dans l&rsquo;innovation et la recherche, et que incluons le changement climatique dans l&rsquo;\u00e9quation, alors je suis convaincu qu&rsquo;il y aura assez de nourriture pour tous.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fruits de l\u2019a\u00e7a\u00ef des for\u00eats du Br\u00e9sil. Photo: Kate Evans\/CIFOR (Blog publi\u00e9 dans sa version originale le 3 avril 2014) Le rapport du Groupe de travail II du GIEC, intitul\u00e9 \u00abChangements climatiques: cons\u00e9quences, adaptation et vuln\u00e9rabilit\u00e9\u00bb, a \u00e9t\u00e9 publi\u00e9 fin mars. Un groupe de plus de 300 scientifiques y a consacr\u00e9 un effort consid\u00e9rable. Il [&hellip;]<\/p>\n","protected":false},"author":71,"featured_media":21974,"comment_status":"open","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_post_was_ever_published":false},"categories":[462,188],"tags":[476,289,479,1277],"language":[2170],"location":[],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[],"type-espanol":[],"type-bahasa":[],"type-english":[],"type-francais":[2965],"coauthors":[680],"class_list":["post-22546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climate-change-energy","category-food-and-diets","tag-adaptation","tag-food-security","tag-global","tag-ipcc","language-francais","type-francais-chronique-du-dg"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Y aura-t-il assez de nourriture? R\u00e9flexions sur le rapport du GIEC GTII - Landscape Alliance Forests 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:\/\/www.forestsnews.org\/fr\/22546\/y-aura-t-il-assez-de-nourriture-reflexions-sur-le-rapport-du-giec-gtii\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Y aura-t-il assez de nourriture? R\u00e9flexions sur le rapport du GIEC GTII\" \/>\n<meta property=\"og:description\" content=\"Fruits de l\u2019a\u00e7a\u00ef des for\u00eats du Br\u00e9sil. Photo: Kate Evans\/CIFOR (Blog publi\u00e9 dans sa version originale le 3 avril 2014) Le rapport du Groupe de travail II du GIEC, intitul\u00e9 \u00abChangements climatiques: cons\u00e9quences, adaptation et vuln\u00e9rabilit\u00e9\u00bb, a \u00e9t\u00e9 publi\u00e9 fin mars. 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