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Transcript
Human Impact on the
Environment
Key Words:
acid rain, habitat destruction, non-native
species, global warming,
bioaccumulation, deforestation,
sustainable practices, stewardship,
Other resources
Acid Rain (pg 118)

Precipitation with a pH below
5.6

May also be in the form of snow,
sleet, or fog
Causes the deterioration of
forests, lakes, statues, and
buildings
 http://video.kidzui.com/chann
els/acid-rain

Back
Habitat Destruction (pg 118)

Damage to a habitat by air, water, and
land pollution



Aka habitat degradation
Deforestation is also an example
http://environment.nationalgeographic.co
m/environment/habitats/?source=NavEnv
Hab
Back
Non-native species (pg 120)

May take over niches of native species in
an area and eventually replace them


Aka invasive or exotic species
http://www.sciencedaily.com/videos/plant
s_animals/invasive_species/
Back
Global warming (pg 128)

An increased amount of the greenhouse gas
CO2 has prevented a large portion of heat
from escaping through the Earth’s
atmosphere

Effects: more frequent and severe heat waves,
floods and droughts, glacial melting, rise of ocean
levels, and intense storms
http://www.goldiesroom.org/Multimedia/Mov
ie_Clips/22%20Ecology/Global%20Warming.
wmv
 http://environment.nationalgeographic.com/
environment/globalBack
warming/?source=NavEnvGlobal

Bioaccumulation

Gradual build-up over time of
a chemical in a living
organism



Similar to biomagnification, but
within a single organism
instead of over an entire food
chain
http://science.jrank.org/pages/854/Bioac
cumulation.html
http://www.nationalgeographic.com/sear
ch/?site=default_collection&client=defaul
t_frontend&proxystylesheet=default_fron
tend&output=xml_no_dtd&oe=utf8&search=bioaccumulation
Back
Deforestation
Clearing Earth's forests on
a massive scale, often
resulting in damage to the
quality of the land
 http://environment.nation
algeographic.com/environ
ment/globalwarming/deforestationoverview/

Back
Sustainable practices (pg 123)
Promotion of using natural resources in
ways that will not, or will limit, damage
the ecosystem over time
 http://www.thegreenguide.com/?source=
NavEnvGG

Back
Stewardship

“The responsible use (including
conservation) of natural resources in a
way that takes full and balanced account
of the interests of society, future
generations, and other species, as well as
of private needs, and accepts significant
answerability to society”


Related to sustainable practices
Simply put: being a good citizen to the
environment!
Back
Other Resources

http://environment.nationalgeographic.co
m/environment/?source=NavEnvHome
Back