A species whose numbers are so small that the species is at risk of extinction
endangered species
A resource of energy that can be replaced when needed.
renewable energy
a series of connected mountains
mountain range
a series of connected mountains
mountain range
A problem concerning the environment/use of natural resources which people disagree over or have different ideas about
environmental issues
the total carbon dioxide emissions produced by an individual, group, or location
carbon footprint
active at night
nocturnal
plants grown for food
crops
