1.0planet forward//www.getitdoneaz.comevan barnard//www.getitdoneaz.com/author/evan-barnard/sustainable milpa farming: preserving an ancient maya tradition - planet forward - 克罗地亚vs加拿大让球 rich600338<blockquote class="wp-embedded-content" data-secret="jrxasifa8a"><a href="//www.getitdoneaz.com/story/yucatan_milpa_agriculture_climate/">sustainable milpa farming: preserving an ancient maya tradition</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="//www.getitdoneaz.com/story/yucatan_milpa_agriculture_climate/embed/#?secret=jrxasifa8a" width="600" height="338" title="“sustainable milpa farming: preserving an ancient maya tradition” — planet forward" data-secret="jrxasifa8a" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![cdata[ */ /*! this file is auto-generated */ !function(d,l){"use strict";l.queryselector&&d.addeventlistener&&"undefined"!=typeof url&&(d.wp=d.wp||{},d.wp.receiveembedmessage||(d.wp.receiveembedmessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-za-z0-9]/.test(t.secret)){for(var s,r,n,a=l.queryselectorall('iframe[data-secret="'+t.secret+'"]'),o=l.queryselectorall('blockquote[data-secret="'+t.secret+'"]'),c=new regexp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentwindow&&(s.removeattribute("style"),"height"===t.message?(1e3<(r=parseint(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new url(s.getattribute("src")),n=new url(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeelement===s&&(d.top.location.href=t.value))}},d.addeventlistener("message",d.wp.receiveembedmessage,!1),l.addeventlistener("domcontentloaded",function(){for(var e,t,s=l.queryselectorall("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getattribute("data-secret"))||(t=math.random().tostring(36).substring(2,12),e.src+="#?secret="+t,e.setattribute("data-secret",t)),e.contentwindow.postmessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> milpa is a type of sustainable farming historically practiced by the maya in the yucatán and other parts of mesoamerica. the milpas, planted with numerous crops for local consumption, are facing challenges from climate change.