geographic envelope
outer shell of a geographic entity
biosphere
global sum of all ecosystems
upper mantle
part of the interior of the planet Earth
atmosphere of Earth
gas layer surrounding Earth
transition zone
portion of the Earth's mantle
hydrosphere
combined mass of water found on, under, and above the surface of a planet, minor planet or natural satellite
total human ecosystem
overview about the total human ecosystem
Earth's surface
term for the surface of the Earth