UNIT 6. ENVIRONMENT
ENVIRONMENT
ATMOSPHERE
CARBON DIOXIDE
CLIMATE
CLIMATE CHANGE
ECOSYSTEMS
EMISSION
EXTINCTION
FOSSIL FUELS
GLOBAL WARMING
GREENHOUSE EFFECT
SOLAR RADIATION
WEATHER
RECYCLING
RECYCLE
PAPER
PLASTIC
REUSE
RUBBISH
REDUCE
WASTE
PACKAGING
ECOFRIENDLY
POLLUTION
RAW MATERIALS
NATURAL RESOURCES