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BÉNÉFICES DES ARBRES URBAINS

Year of publication 2016

Place of publication Rome, Italie ;

Author FAO;

Publisher FAO ;

Product type Poster, banner

Category Poster / banner / roll-up / folder

Language French

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    Foresterie urbaine: villes, arbres et population 1987
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    Face aux cataclysmes dont l'humanit est aujourd'hui menace - pauprisme galopant, pollution, analphabtisme, destruction des forts tropicales, menace de guerre nuclaire, pour n'en citer que quelques - uns -, il peut sembler drisoire de consacrer un numro d'Unasylva au sujet apparemment banal de la foresterie urbaine. Quelle importance peut-elle avoir pour les millions d'affams et de chmeurs qui peuplent les mtropoles du monde en dveloppement? Il est vrai que, dans la pratique courante, la forester ie urbaine tend souvent privilgier les riches aux dpens des plus dmunis. Mais ce n'est pas inluctable: la foresterie urbaine, de mme que la foresterie communautaire dans les campagnes, peut faire profiter les masses de l'action bnfique des arbres. Les bienfaits de la fort urbaine ne sont peut-tre pas aussi bien connus que ceux des arbres en milieu rural et sont trs diffrents, mais ils n'en sont pas moins rels.
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    Arbres hors forêts 2000
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    Ce numro d'Unasylva est centr sur les enjeux de la conservation et de l'utilisation des arbres hors forts.
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    What will be needed to realize the vision of a world free from hunger and malnutrition? After shedding light on the nature of the challenges that agriculture and food systems are facing now and throughout the 21st century, the study provides insights into what is at stake and what needs to be done. “Business as usual” is not an option. Major transformations in agricultural systems, rural economies, and natural resources management are necessary. The present study was undertaken for the quadrennial review of FAO’s strategic framework and for the preparation of the Organization Medium-Term plan 2018-2021.
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    Bénéfices des arbres urbains 2022
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    Les grands arbres urbains sont d'excellents filtres pour les polluants urbains et les particules fines. Un arbre peut absorber jusqu'à 150 kg de CO2 par an, séquestrer du carbone et par conséquent atténuer le changement climatique. Les arbres fournissent un habitat, de la nourriture et une protection aux plantes et aux animaux, augmentant ainsi la biodiversité urbaine. Planter et entretenir des arbres aujourd'hui est essentiel pour les générations futures !
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    In recent years, several major drivers have put the world off track to ending world hunger and malnutrition in all its forms by 2030. The challenges have grown with the COVID-19 pandemic and related containment measures. This report presents the first global assessment of food insecurity and malnutrition for 2020 and offers some indication of what hunger might look like by 2030 in a scenario further complicated by the enduring effects of the COVID-19 pandemic. It also includes new estimates of the cost and affordability of healthy diets, which provide an important link between the food security and nutrition indicators and the analysis of their trends. Altogether, the report highlights the need for a deeper reflection on how to better address the global food security and nutrition situation.To understand how hunger and malnutrition have reached these critical levels, this report draws on the analyses of the past four editions, which have produced a vast, evidence-based body of knowledge of the major drivers behind the recent changes in food security and nutrition. These drivers, which are increasing in frequency and intensity, include conflicts, climate variability and extremes, and economic slowdowns and downturns – all exacerbated by the underlying causes of poverty and very high and persistent levels of inequality. In addition, millions of people around the world suffer from food insecurity and different forms of malnutrition because they cannot afford the cost of healthy diets. From a synthesized understanding of this knowledge, updates and additional analyses are generated to create a holistic view of the combined effects of these drivers, both on each other and on food systems, and how they negatively affect food security and nutrition around the world.In turn, the evidence informs an in-depth look at how to move from silo solutions to integrated food systems solutions. In this regard, the report proposes transformative pathways that specifically address the challenges posed by the major drivers, also highlighting the types of policy and investment portfolios required to transform food systems for food security, improved nutrition, and affordable healthy diets for all. The report observes that, while the pandemic has caused major setbacks, there is much to be learned from the vulnerabilities and inequalities it has laid bare. If taken to heart, these new insights and wisdom can help get the world back on track towards the goal of ending hunger, food insecurity, and malnutrition in all its forms.
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