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世界资源报告
创造可持续的食物未来
到2050
我们可以在不破坏地球的情况下养活世界吗?
“世界资源报告:创造可持续的食品未来”表明,这是可能的 - 但没有银弹。
该报告提供了五道菜的解决方案菜单,以确保我们能在2050年到2050年养活100亿人,而不会增加排放,助长森林砍伐或加剧贫困。研究和建模研究食品系统,经济发展和环境的密集研究和建模表明了为什么菜单上的22个项目中的每个项目都很重要,并量化了每个解决方案可以带来多远。本网站介绍了合成报告中的文本,并在完整报告中提供了指向完整章节的下载链接。
{“词汇表”:{“ 51”:{“名称”:“农业树作物”,“描述”:“为食物,文化或经济价值耕种的树木包括油棕,橡胶,可可,可可,腰果,芒果,芒果,橙(柑橘),车前草,香蕉和椰子。\ r \ n“},“ 101”:{“ name”:“ abedo”,“ description”:“表面反射阳光的能力。\ u0026nbsp; light light- 颜色的表面将大部分日光归还回到大气(高反照率)。黑暗表面吸收了来自太阳的光线(低反照率)。\ r \ n“},“ 94”:{“ name”:“:”生物多样性完整性”,“描述”:“保留的位置\ u0027s原始森林社区(物种和个人的数量)的比例和丰度。生物多样性意义”,“描述”:“一个区域基于稀有性的森林依赖物种的持久性的重要性。\ r \ n“},“ 98”:{“ name”:“二氧化碳(CO2E)“,”描述:“二氧化碳当量(CO2E)是一种用于聚集各种Gree排放的度量基于其100年全球变暖潜力的nhouse气体(GHG),通过将非CO2 GHG等同于等效量的CO2。描述“:”二氧化碳当量(CO2E)是一种方法,用于通过将非CO2 GHG等效到同等量的CO2等于\ r的100年全球变暖潜力,用于汇总各种温室气体(GHG)的排放。\ r\ n“},“ 1”:{“名称”:“ Deforestation”,“ Descriptate”:“从森林到另一个土地覆盖或土地使用的变化,例如森林到种植园或森林到市区。\ r \ n“},“ 77”:{“名称”:“ Deforested”,“描述”:“从森林到另一个土地覆盖或土地使用的变化,例如森林或种植园或森林到市区。\ r \ n”},“ 76”:{“名称”:“退化”,“描述”:“由于自然和人为的变化,森林\ U2019S执行生态系统服务的能力(例如碳存储和水调节)的能力。\ r \ \ r \ \ r \ \ r \n“},“ 75”:{“ name”:“ degraded”,“ description”:“森林的减少\由于自然和人为的变化,U2019S执行生态系统服务的能力,例如碳存储和水调节。这改变了森林生态系统的结构。\ r \ n“},“ 68”:{“ name”:“ discrianct”,“ description”:“一个改变森林生态系统结构的离散事件。\ r \ n“},“ 65”:{“名称”:“树覆盖损失”,“描述”:“森林干扰的直接原因。\ r \ n”},“ 70”:{“ name”:“驱动程序损失”,“描述”:“森林干扰的直接原因。\ r \ n“},“ 81”:{“ name”:“树覆盖驱动器损失”,“描述”:“森林的直接原因 disturbance.\r\n"},"102":{"name":"evapotranspiration","description":"When solar energy hitting a forest converts liquid water into water vapor (carrying energy as latent heat) through evaporation and transpiration.\r\n"},"2":{"name":"forest","description":"Forests include tree cover greater than 30 percent tree canopy density and greater than 5 meters in height as mapped at a 30-meter Landsat pixel scale.\r\n"},"3":{"name":"forest concession","description":"A legal agreement allowing an entity the right to manage a public forest for production purposes.\r\n"},"90":{"name":"forest concessions","description":"A legal agreement allowing an entity the right to manage a public forest for production purposes.\r\n"},"53":{"name":"forest degradation","description":"The reduction in a forest\u2019s ability to perform ecosystem services, such as carbon storage and water regulation, due to natural and anthropogenic changes.\r\n"},"54":{"name":"forest disturbance","description":"A discrete event that changes the structure of a forest ecosystem.\r\n"},"100":{"name":"forest disturbances","description":"A discrete event that changes the structure of a forest ecosystem.\r\n"},"5":{"name":"forest fragmentation","description":"The breaking of large, contiguous forests into smaller pieces, with other land cover types interspersed.\r\n"},"6":{"name":"forest management plan","description":"A plan that documents the stewardship and use of forests and other wooded land to meet environmental, economic, social, and cultural objectives. Such plans are typically implemented by companies in forest concessions.\r\n"},"62":{"name":"forests","description":"Forests include tree cover greater than 30 percent tree canopy density and greater than 5 meters in height as mapped at a 30-meter Landsat pixel scale.\r\n"},"69":{"name":"fragmentation","description":"The breaking of large, contiguous forests into smaller pieces, with other land cover types interspersed.\r\n"},"80":{"name":"fragmented","description":"The breaking of large, contiguous forests into smaller pieces, with other land cover types interspersed.\r\n"},"74":{"name":"gain","description":"The establishment of tree canopy in an area that previously had no tree cover. Tree cover gain may indicate a number of potential activities, including natural forest growth or the crop rotation cycle of tree plantations.\r\n"},"7":{"name":"hectare","description":"One hectare equals 100 square meters, 2.47 acres, or 0.01 square kilometers and is about the size of a rugby field. A football pitch is slightly smaller than a hectare (pitches are between 0.62 and 0.82 hectares).\r\n"},"66":{"name":"hectares","description":"One hectare equals 100 square meters, 2.47 acres, or 0.01 square kilometers and is about the size of a rugby field. A football pitch is slightly smaller than a hectare (pitches are between 0.62 and 0.82 hectares).\r\n"},"67":{"name":"intact","description":"A forest that contains no signs of human activity or habitat fragmentation as determined by remote sensing images and is large enough to maintain all native biological biodiversity.\r\n"},"78":{"name":"intact forest","description":"A forest that contains no signs of human activity or habitat fragmentation as determined by remote sensing images and is large enough to maintain all native biological biodiversity.\r\n"},"8":{"name":"intact forests","description":"A forest that contains no signs of human activity or habitat fragmentation as determined by remote sensing images and is large enough to maintain all native biological biodiversity.\r\n"},"55":{"name":"land and environmental defenders","description":"People who peacefully promote and protect rights related to land and\/or the environment.\r\n"},"9":{"name":"loss driver","description":"The direct cause of forest disturbance.\r\n"},"10":{"name":"low tree canopy density","description":"Less than 30 percent tree canopy density.\r\n"},"84":{"name":"managed forest concession","description":"Areas where governments have given rights to private companies to harvest timber and other wood products from natural forests on public lands.\r\n"},"83":{"name":"managed forest concession maps for nine countries","description":"Cameroon, Canada, Central African Republic, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Indonesia, Liberia, and the Republic of the Congo\r\n"},"104":{"name":"managed natural forests","description":"Naturally regenerated forests with signs of management, including logging, clear cuts, etc.\r\n"},"91":{"name":"megacities","description":"A city with more than 10 million people.\r\n"},"57":{"name":"megacity","description":"A city with more than 10 million people."},"56":{"name":"mosaic restoration","description":"Restoration that integrates trees into mixed-use landscapes, such as agricultural lands and settlements, where trees can support people through improved water quality, increased soil fertility, and other ecosystem services. This type of restoration is more likely in deforested or degraded forest landscapes with moderate population density (10\u2013100 people per square kilometer). "},"86":{"name":"natural","description":"A forest that is grown without human intervention.\r\n"},"12":{"name":"natural forest","description":"A forest that is grown without human intervention.\r\n"},"63":{"name":"natural forests","description":"A forest that is grown without human intervention.\r\n"},"82":{"name":"persistent gain","description":"Forests that have experienced one gain event from 2001 to 2016.\r\n"},"13":{"name":"persistent loss and gain","description":"Forests that have experienced one loss or one gain event from 2001 to 2016."},"97":{"name":"plantation","description":"An area in which trees have been planted, generally for commercial purposes.\u0026nbsp;\r\n"},"93":{"name":"plantations","description":"An area in which trees have been planted, generally for commercial purposes.\u0026nbsp;\r\n"},"88":{"name":"planted","description":"A forest composed of trees that have been deliberately planted and\/or seeded by humans.\r\n"},"14":{"name":"planted forest","description":"A forest composed of trees that have been deliberately planted and\/or seeded by humans.\r\n"},"73":{"name":"planted forests","description":"A forest composed of trees that have been deliberately planted and\/or seeded by humans.\r\n"},"15":{"name":"primary forest","description":"Old-growth forests that are typically high in carbon stock and rich in biodiversity. The GFR uses a humid tropical primary rainforest data set, representing forests in the humid tropics that have not been cleared in recent years.\r\n"},"64":{"name":"primary forests","description":"Old-growth forests that are typically high in carbon stock and rich in biodiversity. The GFR uses a humid tropical primary rainforest data set, representing forests in the humid tropics that have not been cleared in recent years.\r\n"},"58":{"name":"production forest","description":"A forest where the primary management objective is to produce timber, pulp, fuelwood, and\/or nonwood forest products."},"89":{"name":"production forests","description":"A forest where the primary management objective is to produce timber, pulp, fuelwood, and\/or nonwood forest products.\r\n"},"87":{"name":"seminatural","description":"A managed forest modified by humans, which can have a different species composition from surrounding natural forests.\r\n"},"59":{"name":"seminatural forests","description":"A managed forest modified by humans, which can have a different species composition from surrounding natural forests. "},"96":{"name":"shifting agriculture","description":"Temporary loss or permanent deforestation due to small- and medium-scale agriculture.\r\n"},"103":{"name":"surface roughness","description":"Surface roughness of forests creates\u0026nbsp;turbulence that slows near-surface winds and cools the land as it lifts heat from low-albedo leaves and moisture from evapotranspiration high into the atmosphere and slows otherwise-drying winds. \r\n"},"17":{"name":"tree cover","description":"All vegetation greater than five meters in height and may take the form of natural forests or plantations across a range of canopy densities. Unless otherwise specified, the GFR uses greater than 30 percent tree canopy density for calculations.\r\n"},"71":{"name":"tree cover canopy density is low","description":"Less than 30 percent tree canopy density.\r\n"},"60":{"name":"tree cover gain","description":"The establishment of tree canopy in an area that previously had no tree cover. Tree cover gain may indicate a number of potential activities, including natural forest growth or the crop rotation cycle of tree plantations.\u0026nbsp;As such, tree cover gain does not equate to restoration.\r\n"},"18":{"name":"tree cover loss","description":"The removal or mortality of tree cover, which can be due to a variety of factors, including mechanical harvesting, fire, disease, or storm damage. As such, loss does not equate to deforestation.\r\n"},"19":{"name":"tree plantation","description":"An agricultural plantation of fast-growing tree species on short rotations for the production of timber, pulp, or fruit.\r\n"},"72":{"name":"tree plantations","description":"An agricultural plantation of fast-growing tree species on short rotations for the production of timber, pulp, or fruit.\r\n"},"85":{"name":"trees outside forests","description":"Trees found in urban areas, alongside roads, or within agricultural land\u0026nbsp;are often referred to as Trees Outside Forests (TOF).\u202f\r\n"},"105":{"name":"unmanaged natural forests","description":"Naturally regenerated forests without any signs of management, including primary forest.\r\n"}}}
随着全球人口从2010年的70亿人口增长到预计2050年的98亿,在整个发展中国家的收入增长,总体食品需求正在增加50%以上,对基于动物的食物的需求近70%百分。然而,如今,数亿人仍然饥饿,农业已经使用了世界上几乎一半的植被土地,农业和相关的土地利用变化产生了四分之一的年度温室气体(GHG)排放。
可持续食品未来的菜单
  • 课程1:减少对食物和其他农产品的需求增长(合成)
    粮食挑战的规模以及相关的环境和经济挑战的规模取决于到本世纪中叶对农作物和基于动物的食物的需求增加的规模。食物,土地和温室气体缓解差距源于对农作物和牲畜需求的惯常增长的合理估计。然而,这种增长水平并不是不可避免的。课程1菜单项探讨了以社会和经济有益的方式减少这种预计增长的方法。
  • 课程2:增加粮食生产而不扩大农业土地(合成)
    除了在课程1中提出的减少需求措施外,全世界还必须提高现有农业土地上食品的产量。为了实现农业土地零净扩展的目标,在现实的情况下,作物和牧场生产率的提高必须超过收益率的历史速度。
  • 课程3:保护和恢复自然生态系统并限制农业土地移动(合成)
    本课程的重点是土地管理的工作,必须补充粮食需求减少的工作和生产力提高,以避免农业土地扩张的危害。一个指导原则是需要做出土地利用决策,以提高所有目的的效率,而不仅仅是农业,而且还需要碳存储和其他生态系统服务。另一个原则是,需要明确将努力与保护自然土地的保护,以提高农业产量的增长。
  • 课程4:增加鱼类供应(合成)
    包括鳍鱼和贝类在内的鱼类仅提供全球总卡路里和蛋白质的一小部分,但它们贡献了17%的基于动物的蛋白质,并且对于发展中国家超过30亿人的人尤其重要。我们预计,在2010年至2050年期间,鱼类消费量上涨了58%,但野生鱼类在1990年代中期达到9400万吨的峰值,此后停滞不前或可能下降了。本课程提出了改善野生渔业管理并提高水产养殖的生产力和环境表现的方法。
  • 课程5:减少农业生产中的温室气体排放(合成)
    农业生产排放来自牲畜耕作,氮肥的施用,水稻种植和能源使用。这些生产过程在传统上被认为很难控制。通常,我们在本课程中对缓解潜力的估计比其他课程更加乐观,部分原因是许多分析尚未完全捕获生产力提高的机会,部分原因是我们考虑了有希望的技术创新潜力。
  • 挑战和可能解决方案菜单的范围(合成)
    这份世界资源报告解决了一个基本问题:到2050年,世界如何以有助于消除贫困,允许世界达到气候目标并减少更广泛环境的压力的方式充分养活近100亿人?必威官网是真的吗
  • 可持续食品未来的跨裁切政策(合成)
    在我们的五门课程中描述和分析的可持续食品未来的菜单项,重点关注技术机会。但是,菜单项不能孤立地实施,它们都受到各种跨裁切公共和私人政策的约束。