PHENOMENA

ATMOSPHERIC CIRCULATION
ATMOSPHERIC FORMATIONS
ATMOSPHERIC OPTICAL PHENOMENA
CLIMATE
CLIMATE CHANGE
CYCLING
DARKNESS
ECOLOGICAL SUCCESSION
ENVIRONMENTAL DEGRADATION
ENVIRONMENTAL IMPACT
FIRE CAUSES
FOREST FRAGMENTATION
GEOLOGICAL PROCESSES
GREENHOUSE EFFECT
ICE CALVING
LAND COVER CHANGE
LAYERS
OZONE DEPLETION
POLLUTION
RADIATION
RESOURCE DEPLETION
SEISMIC ACTIVITY
SHADE
SOIL FUNCTIONS
SOIL GENESIS
SOIL MOVEMENT
SOIL TRANSPORT PROCESSES
SOLAR ECLIPSES
SPECIES EXTINCTION
SURGES
WATER AVAILABILITY
WATER CIRCULATION
WATER WAVES