Environmental problems

The fact of a country or city having too many people for the amount of food, materials, and space available there is ...

The rise in average temperatures across the globe is ...

A plant or an animal existing in such small numbers that it is in danger of becoming extinct.

Warming of the surface and lower atmosphere of a planet is ...

Water pollution is ...

Air pollution is ...

Many species of animals die out as a result of _____________ because people destroy their natural habitats and some rare animals can live only in a certain place.

The science concerned with the interrelationship of organisms and their environments is ...

Useless material or food waste is ...