The greenhouse
effect
The man, by the
progress of the industrial civilization, has "discharged" into the atmosphere
ever growing quantities of carbon dioxide. It is above
all produced by industries, motors
and heating systems. To support the growth of the
towns and the development of the agriculture millions of hectares of forests have been cut
down, in this way the consumption of the carbon dioxide in the atmosphere on behalf of the
vegetables has been reduced a lot. The scientists think that an increasing of the carbon
dioxide in the atmosphere could bring on a sensible increase of the earth temperature with
consequent climate disorders.