AIR

AIR POLLUTION

ANEMOMETER

BLIZZARD

BREEZE

CARBON DIOXIDE

DEGREES

TO EMIT

FERTILISER

FLOOD

FOG

FOREST FIRE

GALE

HAIL

HUMIDITY

HYGROMETER

INSECTICIDE SPRAY

TO MEASURE

MESOSPHERE

METEORITE

NITROGEN

OXYGEN

PESTICIDE

POLLEN

PRECIPITATION

RAIN GAUGE

RAINFALL

RAYS

TO RECYCLE

TO REDUCE

STRATOSPHERE

TEMPERATURE

THERMOMETER

THUNDERSTORM

TRANSPORTATION

TROPOSPHERE

VOLCANO

WATER VAPOUR

WIND

WIND VANE