1. Ecology. the biosphere including and modified by such human activities as agriculture, forestry, animal husbandry, urbanization, and industrialization.
He believed that just as life had covered the Earth to form the biosphere, so mankind — thinking life — would eventually encompass life to form a higher layer, a cogitative layer he called the noosphere.
— Arthur C. Clarke and Stephen Baxter , The Light of Other Days , 2000
What you saw, that figure holding that large ancient volume, that was an entity of the noosphere , from the Seas of Knowledge, who come down here all the way from Sumerian times.
— Philip K. Dick and Roger Zelazny , Deus Irae , 1976
Noosphere was coined by a group of French philosophers, including Pierre Teilhard de Chardin and Édouard Le Roy, in the 1920s. The word is a combination of the Greek word nóo meaning “mind” and the French word sphère referring to a space or environment.