Air, water and land in which people, animals and plants live.
Environment
What animals are put into the Red Book?
Endangered animals
Animals which no more exist on our planet.
Extinct
This layer in the atmosphere usually protects us from ultroviolet raiation.
The ozone layer
They are main producers of oxygen and also control the climate.
Forests
The problem of temperature rise in the Earth's atmosphere.
Greenhouse effect
What should we do with water and energy to help our planet?
Reduce and save
What should we do with metal, glass, paper and plastic that we don't need anymore?
Recycle
A place where rubbish is left.
A dump
Making water, air, atmosphere dirty.
to pollute