What is consciousness? Is it produced by the brain, or does it exist beyond it? And why, despite decades of scientific progress, does it remain so difficult to explain?
In A World Appears, Michael Pollan begins with the now-famous Koch–Chalmers wager as a lens to examine how far the science of consciousness has come, and how far it still has to go. At its core lies what Chalmers termed the “hard problem”: not how the brain processes information, but why these processes are accompanied by subjective experience at all.
Structured across four key dimensions, sentience, feeling, thought, and the self, the book traces consciousness from its earliest emergence in living systems to the complex construction of human identity.
Drawing on cutting-edge debates such as Integrated Information Theory (IIT) and Global Workspace Theory (GWT), Pollan reveals a field marked by deep uncertainty and competing frameworks. He moves beyond theory into unexpected territories:
- the possibility of intelligence and awareness in plants
- psychedelic states that radically alter perception and dissolve the self
- attempts to simulate consciousness in artificial intelligence
- and the growing view that the “self” may be a constructed, even illusory, phenomenon
Blending neuroscience, philosophy, and lived experience, A World Appears does not attempt to resolve the mystery of consciousness as much as it reframes it, inviting readers to reconsider what it means to be aware, to exist, and to experience the world.
Early Praise
“A big, generous, illuminating inquiry into the essence of being alive.” — Financial Times
“Lucid, engaging, insightful… Pollan is a superb writer.” — TLS
“A mind-expanding exploration bridging science and the humanities.” — The Guardian
“Razor-sharp, sensitive and grounded… a judicious summary of the scientific state of affairs.” — Sunday Times
About The Author
Michael Pollan is an award-winning author, journalist, and professor whose work explores the intersection of nature, culture, science, and human behaviour. His bestselling books, including The Omnivore’s Dilemma, In Defence of Food, How to Change Your Mind, and This Is Your Mind on Plants, have shaped global conversations around food, health, and consciousness.
Named one of the world’s most influential people by Time, Pollan is widely regarded as one of the most important public intellectuals writing today. He lives in California.
