February 21, 2024 Kellner, E., (2022) Identifying leverage points for shifting Water-Energy-Food nexus cases towards sustainability through the Networks of Action Situations approach combined with systems thinking, Sustainability Science, 6. Home ยป Kellner, E., (2022) Identifying leverage points for shifting Water-Energy-Food nexus cases towards sustainability through the Networks of Action Situations approach combined with systems thinking, Sustainability Science, 6.