Human Ecological Sustainability -- Review of Complexity and Complex Systems -- Multidimensional Challenges to Human Sustainability -- Mitigations of Human Impacts Through Technology -- Sustainable Agriculture -- Unconventional Foods : Insects, Plankton, Fungi and in vitro Meat -- Complex Economic Systems and Sustainability -- Application of Complex Systems Thinking to Solve Sustainability Problems -- What will happen to us? : FAQs on Sustainability -- Glossary.