/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: arthurkeller10 https://cdn.slidesharecdn.com/profile-photo-arthurkeller10-48x48.jpg?cb=1575246361 Author, screenwriter and keynote speaker specializing on a few connected themes: • a societal ecological transition under material, energy and climate change related constraints • energy transition: why it is vital, but why there are critical limits (which almost no one ever mentions) and how to overcome these • mechanisms and experiences of collective resilience • a restorative agricultural system, better for nature, health and society, as well as economically viable (agroecology, permaculture) • the global climate system, understanding the nature and magnitude of the various threats • mankind's ecological footprint vs. the Earth's biocapacity and planetary boundaries • system dynamics, ...