Some argue that we have a moral responsibility for future generations, but others ask: how do we know what they would want? Writer Charles Mann explores the confusing ethics of acting on global warming.

The old take-make-use-lose model of industrial design has depleted resources and dumped waste into the environment. By taking nature as our model and mentor, we can transform manufacturing — and the earth, says economist Kate Raworth.

Anxiety could be the price that we have to pay for freedom, suggests psychologist Steven Pinker.

By making the Internet as weightless and as frictionless as possible, we made our lives easier. But now, the whole world is suffering the consequences, says Jaron Lanier.

The theme of TED2018 is The Age of Amazement, and these speakers’ books are bursting with wonders of every kind: intellectual, scientific, urban, technological, economic, historical, aquatic, even extraterrestrial.