The key concepts - Sustainability“We need to think of the future and the planet we are going to leave to our children and their children.”- Kofi Annan, Ghanaian diplomat (1938 - 2018)“If it can"t be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted, then it should be restricted, redesigned, or removed from production.”- Pete Seeger (1919 - 2014), American folk singer and...