Environment

No longer existing, as an animal species

• Habitat

• Extinct

• Resources

To process used objects so that they can be used again

• Benefit

• Recycle

• Reduce

Thick forest in the tropical part of the world.

• Woods

• National Park

• Rainforest

Making air, rivers etc. dirty.

• Pollution

• Waste

• Poison

Warming of the atmosphere that occurs when certain gases absorb part of the solar radiation reflected by the Earth

• Acid rain

• Conservation

• Greenhouse effect

The presence in the atmosphere of large quantities of particles or gases produced by human activity; these are harmful to both animal and plant life.

• Air pollution.

• Global warming.

• Smog.

The study of the environment and the way plants, animals and humans live together and affect each other

• ecology

• environment

• pollution

A plant or animal group whose members all have similar general features

• kind

• group

• species

The place in which people live and work, including the land, water, air, plants, animals and all physical conditions that affect them

• Ecology

• Environment

• poison

Unpleasant conditions caused by too many people or things being in the same place

• extinct

• contaminate

• overcrowding