Activity
161
Lesson
2
Since 1972, every June 5th is celebrated the World Environment Day
to promote care for nature. With economic disaster
logical caused by oil spills and problems
caused by climate change, would you say that there is hacienda
do much for the countryside; however, concern
for the care of the planet has led to words like
environmental pollution
,
sustainability
,
climate change
O
global warming
are part of everyday language.
Global warming, an environmental problem
worldwide
Global warming is a global problem that trig-
dena or aggravates many other environmental problems, such as
fires, desertification and floods. And Science
Natural studied the relationship of air pollution
global warming, now you are going to investigate how it can affect
tar your community and how to participate to improve the environment.
You will remember that the atmosphere is composed of a mixture of
gases.
Some of them, such as carbon dioxide and steam
water, causing the greenhouse effect: they absorb and leave
leave the Earth radiates heat into the atmosphere. Gas
greenhouse are not harmful itself; thanks to them, for
hundreds of years has remained the temperature equilibration
land. However, today, the presence of these gases
It has increased in the atmosphere, due to the generation of electron
tricity, combustion of gasoline, industrial production,
the use of domestic gas and forest fires.
As the amount of these gases, the temperature
average Earth is increased, this is known as
global warming.
Organize a team to investigate the effects
global warming affecting the place
where they live. To do this, consult the table
next page, in which they identify some
possible effects of global warming and
most vulnerable regions of the country.
Analyze the characteristics of your municipality and
write them down in his notebook, for this consult the
information maps
Atlas of Mexico
in your company.
If you have Internet access, enter the site
"Tell Me" in Mapoteca INEGI: <http: //
cuéntame.inegi.org.mx>. In "advanced search
da "locates your municipality.
According to the location and the character-
policies of their state and municipality, identified in
the table on the next page if you are in a
region vulnerability and what effects would suffer
if global warming continues.
E
Belgium. Industry producing
containers with recycled plastic.
learn more
ir al Examen
