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THE USE OF NATURAL RESOURCES, image, image, image, image, image, image,…
THE USE OF NATURAL RESOURCES
over the last few years
economic activities and production systems have changed
natural resources and their conversion into goods
free or economic
basis of the whole system
6.1 RENEWABLE RESOURCES
inexhaustible resources
are fundamental
their existence and renewal depend on
rational use
land
forets
Fertile soil
one of the most important
agriculture
livestock form
basis of the global food supply, and overexploitation
Excessive use of
fertilisers
inappropriate crops
pesticides
make the soil less fertile
make land disappear altogether
serious consequences
Forests
important source of resources
wood
essential to the absorption of CO2
emitted by
industrial process
everyday activities
Furthermore
necessary in order to maintain
plant
generate oxigen
becoming
recreational areas.
natural lungs'
animals
Logging and forest fires
expose the ground to weather conditions
uprooting
displacement
soil erosion
Thousands of hectares of rich soil
disappear every year and it cannot be recovered
forests
one the most threatened renewable resources
abusive exploitation
equatorial forests
tropical forests
6.2 NON-RENEWABLE RESOURCES
nonrenewable resource
high global population
lifestyle based on consumerism
industrial and economic development
demand for these products
whole of the Earth, including the ocean
rip for
exploration
explotation
increased level of oil resources
used in energy production may lead to non-renewable
resources being used up completely.
These resources
must not be wasted
essential that we find alternatives
produce the energy that we need
6.3 THE DEMAND FOR WATER
Fresh water is renewable
Scarce supply on our planet
Fresh water
another one of the most threatened resources
no alternative
like air
necessary in order for life to exist
Pollution and overexploitation of aquifers
wasteful use of this resource are serious dangers
due to its consumption in developed countries
The availability of drinking water
people and animals does not depend
on the country being dry or wet
on its level of development
countries in Central Africa
greatest amount of rainfall
due the equatorial climate
do not have a sewerage system
a water distribution network.
similar situations
Central America
South America
China
most advanced countries
not worry about the scarcity of water
don't worry that it is a renewable good that must be conserved
