The global warming is The global warming is the increase in the the increase in the average temperature of average temperature of the earth. It is caused the earth. It is caused by the increasing by the increasing concentrations of the concentrations of the greenhouse gases, greenhouse gases, which are the result of which are the result of the burning of fossils the burning of fossils fuels and deforestation.fuels and deforestation.

The global warming The global warming increases the temperature increases the temperature of the earth between 0.4º C of the earth between 0.4º C and 0.8ºC.and 0.8ºC.

It especially affects the It especially affects the poles. The melting of the poles. The melting of the poles causes the increase of poles causes the increase of the sea levels and it changes the sea levels and it changes the climate of the world. It the climate of the world. It also kills the animals that live also kills the animals that live there.there.

It is the warming of the atmosphere caused for different gases, such as carbon dioxide, ozone, water vapor. These gases don’t allow the solar rays to come out.

The effects of the greenhouse effect are:

• Acid rain.• Global warming.• Increase of the

temperature of the earth.

• Melting of the poles.• Increase of the sea

level