How ‘green’ were people in late antiquity and the Middle Ages? Unlike today, the nature around them was approached with faith, trust and care. The population size was many times smaller than today and human impact on nature not as extreme as it is now. People did not have to worry about issues like deforestation and sustainability.

This book is about the knowledge of plants and where that knowledge came from. How did people use earth and plants in ancient times, and what did they know abo...