{"id":328,"date":"2013-09-10T14:53:21","date_gmt":"2013-09-10T14:53:21","guid":{"rendered":"https:\/\/emergingag.com\/?p=328"},"modified":"2013-09-10T14:53:21","modified_gmt":"2013-09-10T14:53:21","slug":"how-to-navigate-spaceship-earth-s-food-security-and-land-based-mitigation","status":"publish","type":"post","link":"https:\/\/emergingag.com\/fr\/how-to-navigate-spaceship-earth-s-food-security-and-land-based-mitigation\/","title":{"rendered":"How to Navigate Spaceship Earth\u2019s Food Security and Land-based Mitigation"},"content":{"rendered":"

The Climate Change, Agriculture and Food Security team at the CGIAR system<\/a>, do great work looking at the challenges agriculture faces in both adapting to and mitigating climate change. Below is a latest piece that shows how clearly demand side change is needed to help address greenhouse gas emissions, as well as the role for sustainable intensification to reduce ag emissions while meeting food demand:<\/p>\n

Agriculture-Climate Letters: A Science-Policy Bulletin, September 2013<\/p>\n

Buckminster Fuller wryly commented that the earth is like a spaceship that didn’t come with an operating manual. As we come up against boundaries of our planet\u2019s natural resources and capacity to absorb wastes, we urgently need to figure out what options will work best to manage competing uses for our global sources and sinks.<\/p>\n

A new article co-authored by Pete Smith and a global team of scientists poses one of the most pressing questions: How much land-based greenhouse gas mitigation can be achieved without compromising food security and environmental goals?<\/a><\/p>\n

This is tough to answer. The authors\u2019 first helpful contribution is to distinguish and quantify the range of options for action on the supply-side (improved management of biomass, soils, livestock, and energy use in agriculture and forestry) and the demand-side (reducing food waste, limiting over-consumption, and shifting to less resource-intense diets). But the potential global total for land-based mitigation is not a simple sum, as there are interactions and trade-offs among the different options. For example, less consumption of animal products will mean reduced methane emissions from livestock, but could also result in increased emissions from cropland. Modeling studies provide our best current means of navigating the various sets of options.<\/p>\n

By pulling together modeling results and empirical science, the authors find that changes on the supply side, in agriculture and forestry, could offer emissions reductions of 1.5 to 4.3 Gt CO2 equivalent per year at carbon prices of between USD20 and USD100. To put that in perspective, the International Energy Agency estimated 2011 emissions as 31.6 Gt CO2 equivalent<\/a>. The concept of \u201csustainable intensification<\/a>” captures the principles behind achieving supply-side emissions reductions: essentially greater efficiency in turning limited inputs into useful outputs, in an equitable and ethical way.<\/p>\n

Promisingly, demand-side measures could reduce emissions three to four times more than supply-side measures alone, anywhere between 1.5 and 15.6 Gt CO2 equivalent per year. Moreover, reduced food waste and less resource-intensive diets have guaranteed benefits for food security, compared to some supply-side options, such as biofuel production, that under some circumstances reduce food availability. In theory this is wonderful: coupling demand-side measures with sustainable intensification could, at maximum, cut away half of all global emissions at the 2011 level, even without any actions in transport, industry or other sectors.<\/p>\n

Smith and co-authors wisely advocate that we take action simultaneously on supply-side and demand-side options. Policies can provide multiple incentives for land managers to intensify resource use sustainably and to spare land and biodiversity. A much more stubborn policy challenge is how to bring about appropriate changes in consumers\u2019 behaviors. We need somehow to reduce waste and over-consumption of food without forcing massive price rises, or greater problems with food safety, onto the poorest and most undernourished consumers. It will take much political ingenuity to implement the smart technical solutions that we are beginning to recognize in Spaceship Earth\u2019s operating manual.<\/p>","protected":false},"excerpt":{"rendered":"

The Climate Change, Agriculture and Food Security team at the CGIAR system, do great work looking at the challenges agriculture faces in both adapting to and mitigating climate change. Below is a latest piece that shows how clearly demand side change is needed to help address greenhouse gas emissions, as well as the role for…<\/p>","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"post_series":[],"class_list":["post-328","post","type-post","status-publish","format-standard","hentry","category-uncategorized","entry","no-media"],"yoast_head":"\nHow to Navigate Spaceship Earth\u2019s Food Security and Land-based Mitigation - Emerging Ag Inc<\/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:\/\/emergingag.com\/fr\/how-to-navigate-spaceship-earth-s-food-security-and-land-based-mitigation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Navigate Spaceship Earth\u2019s Food Security and Land-based Mitigation - Emerging Ag Inc\" \/>\n<meta property=\"og:description\" content=\"The Climate Change, Agriculture and Food Security team at the CGIAR system, do great work looking at the challenges agriculture faces in both adapting to and mitigating climate change. 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