The Erasmus + BAG project just relased the first part (out of a three parts Agroecology Guidebook) on the concept of Agroecology; reframing the processes which lead to Nyéléni Declaration on Agroecology, FAO 10 Elements of Agroecology and HLPE (High Level Panel of Experts) 13 principles of Agroecology.
It is available here.