{"id":14166,"date":"2012-02-03T12:00:45","date_gmt":"2012-02-03T18:00:45","guid":{"rendered":"http:\/\/blog.sustainablog.org\/?p=14166"},"modified":"2012-02-03T12:00:45","modified_gmt":"2012-02-03T18:00:45","slug":"wonderbag","status":"publish","type":"post","link":"https:\/\/sustainablog.org\/articles\/wonderbag\/","title":{"rendered":"The Wonderbag: Low-Carbon Slow Cooking"},"content":{"rendered":"<p><a href=\"https:\/\/sustainablog.org\/wp-content\/uploads\/2012\/02\/wonderbag-in-rwanda.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14167\" title=\"wonderbag in rwanda\" src=\"https:\/\/sustainablog.org\/wp-content\/uploads\/2012\/02\/wonderbag-in-rwanda.jpg\" alt=\"cooking with a wonderbag in rwanda\" width=\"500\" height=\"400\" srcset=\"https:\/\/sustainablog.org\/wp-content\/uploads\/2012\/02\/wonderbag-in-rwanda.jpg 500w, https:\/\/sustainablog.org\/wp-content\/uploads\/2012\/02\/wonderbag-in-rwanda-300x240.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>Cooking packs a wallop in terms of health and environmental impact in the developing world: I&#8217;ve seen the numbers time and time again as I come across new <a href=\"https:\/\/sustainablog.org\/tag\/appropriate-technology\/\">appropriate technology<\/a> for addressing that impact. Various social enterprises have played with clean, efficient cookstove models to address respiratory disease and deforestation that results from cooking with wood. I&#8217;ve been fascinated by these approaches: from <a href=\"https:\/\/sustainablog.org\/2011\/09\/how-to-build-a-rocket-stove\/\">rockets stoves<\/a> to <a href=\"https:\/\/sustainablog.org\/2011\/07\/clean-cook-stove-biolite\/\">cogeneration concepts<\/a>, there&#8217;s been a lot to admire on this front&#8230; and not just because these ideas are environmentally sustainable, but also address the economic impact of cooking in the developing world.<\/p>\n<p>Of course, a stove that required no fuel would be perfect: no carbon emissions, no time devoted to gathering wood or working to earn the money to buy other fuels, no fine particulates that make people sick. The <a href=\"http:\/\/nb-wonderbag.com\/\">Wonderbag<\/a>, a creation of South African social entrepreneur\u00a0<a href=\"http:\/\/nb-wonderbag.com\/content\/passionate-people\">Sarah Collins<\/a>, doesn&#8217;t eliminate fuel, but it does cut its use: once a pot of food reaches the boiling point, it can be placed in the insulated bag to keep cooking without burning any more wood or gas. When paired with a clean cookstove, I&#8217;d guess the resource savings would be tremendous.<\/p>\n<p>How does this work? Essentially, thermal mass: the Wonderbag uses <a href=\"http:\/\/www.ivili.org\/profiles\/blogs\/wonderbag-insulated-material\">polysterene balls<\/a> as insulation in the bags themselves, which hold the heat from the cooking pot. It can do so for several hours, turning a standard Dutch oven into a slow cooker&#8230; all while cutting emissions. <a href=\"http:\/\/inhabitat.com\/amazing-fuel-saving-wonderbags-keep-cooking-food-long-after-you-turn-off-the-heat\/\">Collins estimates<\/a> that the Wonderbag &#8220;has already saved enough CO2 emissions to travel the globe 9,452 times&#8230;&#8221;<\/p>\n<p>Want to see how it all works? Check out the video on\u00a0<a href=\"http:\/\/nb-wonderbag.com\/content\/wonderbag-community\">bringing the Wonderbag to Rwanda<\/a> on the company&#8217;s website. No doubt a simple invention like this would be great for American outdoorsy types (who can afford a $65 bag); for women and children in the developing world, it&#8217;s another lifesaver.<\/p>\n<p>via yesterday&#8217;s <a href=\"http:\/\/www.sundancechannel.com\/sunfiltered\/2012\/02\/green-tech-finds-the-power-free-kitchen-appliances-edition\/\">Green tech finds<\/a> post at SUNfiltered<\/p>\n<p><strong>Image credit:<\/strong> screen capture from &#8220;Wonderbag in Rwanda&#8221; video<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Wonderbag cuts fuels demands of cooking by using thermal mass to trap heat&#8230; and cook food without continued exposure to a flame.<\/p>\n","protected":false},"author":56,"featured_media":14167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,7],"tags":[214,393,4220,4341,3428,217,5625],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - 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