Atmosphere

Major Environmental/Weather Activities Ozone HoleTyphoon/RainfallCold atmospheric vortex

Ocean

Natural/Accidental oceanic changes Sea temperature/PhytoplanktonOcean current/Drift iceAccident/DisasterSea traffic

Land

You can see that earthquake and volcano activity, landform and building with feature, change of land use. LandformLand useVolcano/MountainAccident/DisasterEventOther