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What is fracking ?

by mauriceg
2012-05-25


What is fracking ? 1579

1


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Save the world\'s species

by mauriceg
2012-05-25


Save the world\'s species 1251

1


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Trash Can

by Andy
2006-08-29


Trash Can 21683

6


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Pet bottle

by netalloy
2012-05-19


Pet bottle 5099

4


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Tree loving penguin

by Moini
2011-04-10


Tree loving penguin 4073

7


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PET

by jonata
2007-08-14


PET 5292

2


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bottle

by jose1711
2007-07-28


bottle 5012

0


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Coke PET bottle

by klaasvangend
2010-04-11


Coke PET bottle 5197

2


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United Green

by cibo00
2008-02-19


United Green 2047

0


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world

by maxim2
2009-07-13


world 11335

6


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Atomic Pill

by cibo00
2012-02-06


Atomic Pill 1814

1


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toxic_barrel

by feraliminal
2010-08-24


toxic_barrel 2877

1


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Rain water harvesting

by netalloy
2010-05-11


Rain water harvesting 3728

1


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Aussie Earth

by rygle
2008-01-03


Aussie Earth 6533

1


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Blue World Map

by neocreo
2007-11-01


Blue World Map 27948

3


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Aussie Earth Outline

by rygle
2008-01-03


Aussie Earth Outline 4661

2


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Recycling Symbol

by AJ
2008-07-18


Recycling Symbol 12178

4


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Stylized atom

by IncessantBlabber
2008-03-16


Stylized atom 8143

0


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Radioactive symbol

by IncessantBlabber
2008-03-16


Radioactive symbol 12281

0


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Consumer vs business

by ipurush
2008-04-10


Consumer vs business 3043

1


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Antenna and radio waves

by johnpwarren
2008-07-17


Antenna and radio waves 25806

2


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shady tree

by ryanlerch
2006-10-15


shady tree 6592

2


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Earth

by ryanlerch
2007-11-09


Earth 7547

1