6.1 Introduction to the atmosphereIB Environmental Systems and Societies SL: Mind map
Boundary and composition
Tricellular model
GHGs and aerosols
Atmosphere
boundary of the biosphere
78% N221% O20.04% CO2
Greenhouse effect
Planet comparisons
Exam tips
Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).