Matching Pairs ENVIRONMENTOnline version match words in one column with the definitions in the other by angeles fernandez gato 1 fossil fuels 2 poaching 3 fumes 4 recycle 5 renewable 6 green belt 7 endangered 8 factory or battery farming 9 drought 10 smog 11 biodiversity 12 global warming a long period when there is little or no rain the heating up of the Earth´s atmosphere due to pollution illegal hunting a system in which a lot of animals are kept in a small closed area, a cloud of pollution that covers some big cities process waste material so it can be used again the poisonous gas formed by the burning of carbon, especially in the form of car exhaust gases. the number and variety of plant and animal species that exist in a particular environmental are a type of combustible formed underground from plant and animal remains millions of years ago describing a non polluting type of energy describing animals or plants which may soon not exist because there are very few now alive areas of largely undeveloped, wild, or agricultural land surrounding urban areas