factory or battery farming
fumes
renewable
biodiversity
fossil fuels
smog
poaching
green belt
global warming
recycle
endangered
drought
areas of largely undeveloped, wild, or agricultural land surrounding urban areas
process waste material so it can be used again
a cloud of pollution that covers some big cities
describing a non polluting type of energy
a system in which a lot of animals are kept in a small closed area,
illegal hunting
the heating up of the Earth´s atmosphere due to pollution
a long period when there is little or no rain
describing animals or plants which may soon not exist because there are very few now alive
the poisonous gas formed by the burning of carbon, especially in the form of car exhaust gases.
a type of combustible formed underground from plant and animal remains millions of years ago
the number and variety of plant and animal species that exist in a particular environmental are
