Environmental pollution

Post on 08-Jul-2015

405 views 0 download

Tags:

transcript

ENVIRONMENTAL

POLLUTION

ALEJANDRA TRUJILLO

ELIZABETH ROJAS

JIMENA RUIZ

WHAT IS THE ENVIRONMENTAL

POLLUTION?

It's the presence of physical, chemical orbiological agents or a combination ofseveral agents in places, forms andconcentrations that are

harmful for health, welfare

of population, or that

are harmful to plants or

animal life.

The power of man over nature is too greatand every day appear new needs as aresult of living in society, theenvironment around us deteriorates moreand more.

Technological progress and rapid populationgrowth producing environmental change, insome cases threatening the ecological balanceof the Earth, but it is important that people beaware of the consequences of the damage.

TYPES OF POLLUTION

Water pollution Contamination Air pollution

of soil

CAUSES OF POLLUTION

sewage and dumping cutting the trees

Waste sea or rivers

Burning Rubbish

carbon monoxide Excess fertilizer and

from vehicles chemicals

EFFECTS OF AIR POLLUTION

The pollution of great cities

affect cardiovascular health.

The weakening of the ozone

layer that protects people

from ultraviolet radiation

of the Sun

• In the contaminated soil is not possible to sow

• Global warming is caused by increase of theconcentration of atmospheric CO2 thataccompanies the massive burning of fossil fuels.

• The effects of radioactivity on living organisms areharmful to their physical integrity

• The greenhouse effect increases with theconcentration of gases as CO2

• Human activity, deforestation, and especially the burning of fossil fuels increase the presence of this gas in the air.

ENVIRONMENTAL POLLUTION

PREVENTIONDo not burn Control the use of

plants fertilizers and pesticides

• Do not throw garbage in inappropriate places

• Save energy

• control accidental oil spills

• create drainage pathways for industries that do not reach the seas or rivers used for the service or consumption of men or animals