Environmental problems (vocabulary)

A type of plant or animal that is likely to stop existing completely, for example because of hunting or pollution.

A situation, in which most of the trees in an area are cut down or destroyed, resulting in great damage to the environment. 

A tropical forest with tall trees growing very close together, in an area where it rains a lot. It is very important for the balance of the Earth's ecology.

A layer of natural gases around the Earth. It protects the Earth from the harmful effects of the sun, but pollution is causing a hole in it. 

The natural home of a plant or animal.

The way in which plants and animals and natural features of a place affect and depend on each other. 

General increase in the temperature of the world, caused by pollution from cars, factories, etc.

Very dangerous waste materials, for example, from nuclear power stations or chemical factories.

The natural level of the water in the world's oceans, which will rise if global warming continue.

Gases that form a layer around the Earth and keep the heat in. These gases are produced naturally, but increasing quantities of gases are being produced from cars and factories, causing global warming. 

Harmful gas or smoke, for example from cars or factories, which damages the environment and harms people's health.

Harmful chemicals, gases, or waste materials from factories, cars, etc. that have gone into the air, land or water.