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, ...