HUMAN IMPACT on the BIOSPHERE Chapter 6

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HUMAN IMPACT on the
BIOSPHERE
Chapter 6-2
Renewable and Non-renewable
Resources
________________ RESOURCES can
regrow if they are alive OR
be replaced by biogeochemical cycles
if they are non-living
http://www.inclusive.co.uk/downloads/images/pics2/tree.gif
http://www.sfu.ca/aq/archives/Nov2007/features/fish_story.html
http://www.navitron.org.uk/wind/600kw.JPG
RENEWABLE RESOURCES
“Renewable” doesn’t always mean
REPLACEABLE
Ex:
An _________tree
can be re-grown, but a
__________ of trees
takes a long time
to grow back.
http://image.guardian.co.uk/sys-images/Guardian/Pix/gallery/2002/08/30/deforestedland.jpg
“Renewable” depends on context
_______________
forests have never
been cut. It takes
centuries to replace
these and species
may be lost.
http://image.guardian.co.uk/sys-images/Guardian/Pix/gallery/2002/08/30/deforestedland.jpg
RENEWABLE RESOURCES
Ex:
“OLD GROWTH” forests
provide a unique
_______ and are
home to many
species that don’t
live in other
types of forests
http://en.wikipedia.org/wiki/Old_growth_forest
NONRENEWABLE RESOURCES
Renewable does NOT mean
__________________
Ex: FRESH ________is
a renewable resource
but can be limited by
drought or overuse
http://earth.ooups.com/uk/images/100/tapwater.jpg
http://www.wrightwoodcalif.com/watershort/ConserveWater.JPG
_______________ RESOURCES
can NOT BE replaced by natural
processes
http://www.greenpeace.org/raw/image_full/international/photosvideos/photos/illegal-deforestation-and-land.jpg
http://www.npr.org/news/images/2005/aug/16/pumping_gas200.jpg
One ANSWER to ?
= ___________________DEVELOPMENT
It’s a way of using natural resources
without using them up AND
without causing harm to the planet
http://www.newtonswindow.com/problem-solving.htm
REMEMBER
A __________________
is anything an organism
needs for life
NATURAL RESOURCES =
LAND
AIR
WATER
http://coweeta.ecology.uga.edu/coweeta_photographs/erosion.htm
FORESTS
http://www.lenntech.com/images/discharge.gif
VOCAB
Wearing away of topsoil =
SOIL ____________ is caused by
plowing land and removing plant
roots
http://coweeta.ecology.uga.edu/coweeta_photographs/erosion.htm
FOREST RESOURCES
Loss of forests = ____________
can result in erosion and loss of
nutrients preventing regrowth
http://www.greenpeace.org/raw/image_full/international/photosvideos/photos/illegal-deforestation-and-land.jpg
FOREST RESOURCES
Forests have
been called the
“lungs of the Earth”
because they
remove
________________
and produce
______________
http://www.ecoworld.com/air/Images/Photosynthesis.jpg
AIR RESOURCES
______________ = harmful material that
can enter the biosphere through land,
air, or water
_________ =
Mixture of
chemicals that
appear as a
gray-brown haze
in the
atmosphere
http://www.cyberolimpiadas.com.sv/proyectos2004/gamma/proyecto3/smog.jpg
AIR RESOURCES
Burning __________ releases pollutants
that cause smog and other problems
in atmosphere.
Toxic chemicals
like nitrates,
sulfates, and
particulates
can cause
breathing problems
like ___________
http://www.cyberolimpiadas.com.sv/proyectos2004/gamma/proyecto3/smog.jpg
SUSTAINABLE DEVELOPMENT
• Smokestack “Scrubbers”
control emissions
• Auto emission standards
• Clean air regulations
• Reduce use of fossil fuels
http://www.alexvisani.com/darkgallery/smog.jpg
FRESH WATER RESOURCES
Americans use BILLIONS of gallons of
fresh water daily for drinking, washing,
and watering crops
http://www.thesolutionsite.com/lesson/4601/freshwater.jpg
FRESH WATER RESOURCES
Although water is a renewable
resource, the total supply of fresh
water is __________.
http://www.mos.org/oceans/graphics/planet/watercycle.jpg
FRESH WATER RESOURCES
Wetlands remove _____________ and
________the water passing through.
http://www.epa.gov/bioiweb1/aquatic/importance.html
SUSTAINABLE DEVELOPMENT
• Water conservation
• Protect wetlands
and forests
• Water treatment plants
• Clean water regulations
hhttp://www.romanviii.co.uk/bp/nhpage.asp?pcat=about_us
DON’T FORGET THE WATER WE
CAN’T SEE!
The PRODUCTION OF:
• 1 kg wheat costs 1,300 L water
• 1 kg rice costs 3,400 L water
• 1 kg eggs costs 3,300 L water
• 1 kg beef costs 15,000 L water
• 1 cotton shirt costs 2,500 L water
• 1000 g of blue jeans costs 10,850 liters water
• 1 ton passenger car costs 400,000 liters of water
• Building a house uses about 6 million liters of water
WAYS TO CONSERVE WATER
http://www.watersavingtips.org/images/saving_1.jpg
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