The German zoologist Ernst Haeckel coined the word ecology almost 150 years ago. He combined a couple of Greek words to do this trick: “oikos” means "habitation" and “-ology” means "the study of."

This fact may already be part of your ample knowledge, but a quick reminder won´t hurt: ecology started off as the study of where things live. In ecology, sustainability (from sustain and ability) is the property of biological systems to remain diverse and productive indefinitely. Who doesn't want to be diverse and productive indefinitely? I remember when I was younger and able to dunk a basketball…