ScienceJuly 4, 2026
troposphere
/ˈtroʊ.poʊˌsfɪər/
Definition
The lowest layer of Earth's atmosphere, extending from the surface up to about 10–15 kilometers, where most weather phenomena occur.
Etymology
Derived from the Greek word 'tropos' (meaning 'turn' or 'change') and 'sphaira' (meaning 'sphere'). The term was coined in the early 20th century to describe the atmospheric zone where air currents turn and mix.
In the news
In this article, the warming of the troposphere is identified as a key 'fingerprint' of human-caused climate change, contrasting with the cooling observed in the layer above it.
Climate scientist who “proved” humanity is warming Earth says government report got it wrong
Read the full article ↗ScienceDaily