acid rain
aerosol
animal welfare
carbon monoxide
climate
conservation
endangered species
energy
nuclear energy
solar energy
exhaust fumes
fertilizers
forest fires
global warming
greenhouse effect
(non)-renewable resources
nuclear
nuclear fallout
nuclear reactor
oil-slick
ozone layer
pesticide
pollution
protected animal
rain forest
unleaded petrol
waste
nuclear waste
radio-active waste
wildlife
Environment - Natural Disasters
drought
earthquake
flood
tidal wave
typhoon
volcanic eruption
Environment - Politics
environmental group
green issues
pressure group
Environment - Verbs
cut down
destroy
dispose (of)
dump
protect
pollute
recycle
save
throw away
use up