The document discusses sustainability and becoming more environmentally friendly or "green". It notes that while the Earth has existed for billions of years, humans have only been around for a few million and have only been unable to drink water or eat anywhere for around 500 years. It advocates working with natural laws like how nature uses only the energy it needs and has no waste. Some steps on the journey to becoming greener mentioned are using biobased raw materials, biomimicry, becoming carbon neutral, improving energy efficiency, and reducing waste. An example is given of a student design challenge to create a biomimicry-inspired backpack tent. The document promotes becoming more sustainable and green as creating a better world.