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Sustainability: definition with simple natural science

What is sustainability? In this explainer video, I present a simple definition of sustainability based on environmental science and natural cycles, as well as the four root causes of un-sustainability (the 4 things we need to stop doing for become sustainable). 0:00 Intro & Bruntland definition 0:41 Scientific consensus 1:22 Natural cycles: 1st law thermodynamics 2:16 Law conservation of matter 2:50 Law of entropy 3:25 Photosynthesis pays the bills 3:45 Geological cycles 4:31 Definition of sustainability 4:51 Root causes of unsustainability 5:11 Root cause #1 5:32 Root cause #2 5:56 Root cause #3 6:23 Root cause #4 If this is useful to you, please subscribe: http://alturl.com/jc8u6 To learn more about The Natural Step, read "The Natural Step Story: Seeding a Quiet Revolution" by Karl-Henrik Robèrt: https://amzn.to/2VfCwLy We hear a lot about sustainable development, sustainability, ecology, climate, global warming, people planet profit, triple bottom line but can we define what sustainability is and how we can achieve it? ** Engaging sustainability videos to learn & teach. More sustainability videos on www.sustainabilityillustrated.com &    / learnsustainability   Subscribe to receive the latest videos: http://alturl.com/jc8u6 Become a patron:   / sustainability  . Twitter:   / sustain_illustr   Facebook:   / sustainabilityillustrated   Videos are created by Alexandre Magnin using years of experience drawing and working as a sustainability consultant with businesses and communities: http://www.amcreative.org ** Brundtland report by Brundtland commission: http://en.wikipedia.org/wiki/Brundtla... Music: Swamp Stomp by Silent Partner ** A sustainability definition is important in order for people to speak the same language and make sure they are all working to achieve the same goals. This sustainability definition is inspired from the sustainability principles put together but an international non-profit organization called The Natural Step. Another sustainability definition is the one provided by the Brundtland commission: sustainable development is development that meets the needs of the present without compromising the ability of future generations