Environmentalism

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  A-Cleanin' Up the Lot
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  Ah, For the Joys of the Countryside
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  Air (Raposo)
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  Association of Zoos & Aquariums

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  Bein' Green
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  Being Green (video)
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  Best Friends (Armstrong)
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  Better World Society
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  Big Bird's Book About the Earth and Sky
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  A Bin Revolution
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  Black Eyed Peas
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  Blue Nosed Gopher
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  Box City Recycling Rap
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  A Busch Gardens/Sea World Summer Celebration

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  The Clearwater Concert: Creating the Next Generation of Environmental Leaders
• The Climate Code
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  Cloud
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  Community Garden
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  Cookie Monster's Pop
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  CoolPlanet.cc
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  Country in the City
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  Jacques Cousteau

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  Das Geheimnis der Blumenfabrik
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  De Campamento con Montoya
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  Den blå planet
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  Dirt Dirt Dirt
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  Dirtballs
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  The Dirtiest Town in the West
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  Doctor of Amphibious Letters
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  Don't Litter
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  Don't Throw It on the Ground
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  Don't Throw That Trash on the Ground
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  Don't Waste the Water
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  Don't Waste Water
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  Dream, Save, Do

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  Earth
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  Earth Day
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  The Earth Day Special
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  Earth Rocks!
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  Earth-a-thon Song
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  Elmo's Backyard
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  Elmo's Green Thumb
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  Elmo's Walk in the Woods
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  Elmo's World: Recycling
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  Environment Sketches
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  Environmental Media Awards
• 
  Episode 0118
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  Episode 0294
• Episode 0498
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  Episode 0849
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  Episode 102: Oceans
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  Episode 106: The Preachification of Convincing John
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  Episode 107: A Present for Claribelle
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  Episode 109: Garbage
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  Episode 109: The Mystery of Winna-Bango Falls
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  Episode 119: The Great Radish Famine
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  Episode 124: Everything's Springin' Up!
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  Episode 1430
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  Episode 1635
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  Episode 1740
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  Episode 205: Endangered Species
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  Episode 212: Pizza Perfection
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  Episode 215: Power Erupts
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  Episode 219: Yes We Can
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  Episode 2667
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  Episode 2755
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  Episode 2759
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  Episode 2836
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  Episode 2837
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  Episode 2838
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  Episode 2839
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  Episode 2841
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  Episode 2863
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  Episode 2870
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  Episode 2876
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  Episode 305: Reduce, Reuse, Retrieve
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  Episode 3175
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  Episode 319: If I Were a Tree
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  Episode 320: We Are Not Alone
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  Episode 3353
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  Episode 3377
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  Episode 3427
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  Episode 3710
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  Episode 3720
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  Episode 3733
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  Episode 3845
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  Episode 3867
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  Episode 3895
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  Episode 402: Welcome to Woodland Valley (2)
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  Episode 402: Wembley's Wonderful Whoopie Water
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  Episode 407: Changing Nature
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  Episode 4190
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  Episode 4196
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  Episode 4236
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  Episode 4514
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  Episode 4617
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  Episode 4716
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  Episode 4725
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  Episode 4923
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  Episode 4926
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  Episode 505: The River of Life
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  Episode 506: Beyond the Pond
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  Episode 708: Muppet Babies: The Next Generation
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  Episodio 1033
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  Episodio 816
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  Episodio 828
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  Episodio 850
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  Episodio 924
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  Episodio 959
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  Episodio 983
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  Episodio 992
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  Episodio 993
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  Episodio 995
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  The ESPYs
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  Esta Vida
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  Every Bit a' Litter Hurts

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  Floatie
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  Folge 1994
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  For What It's Worth
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  Fraggle Rock Earth Day dirt dessert kit
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  Friendship
• From Seed to Sky
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  From Trash to Treasure
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  Fur Jam
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  The Future is Counting on You

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  Garbage
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  Garbageman's Blues Song
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  Garden Song
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  The Garden
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  Get Wet
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  Gligs
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  Gloria Globe
• Good Morning, Mr. River
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  Andy Goodman
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  Al Gore
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  Great Big Beautiful World
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  Green & Loving It!
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  Green and Bear It
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  Green Earth Blue Skies
• GreeNYC
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  Grouches Are Green
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  Grover Plants a Tree
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  Grover's 10 Terrific Ways to Help Our Wonderful World

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  Hey, Look Me Over
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  Hou Het Park Schoon

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  I See a Garden
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  It Can Be Easy Being Green
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  It Makes You Cry
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  It's a Mitzvah, Grover!

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  Just Throw It My Way

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  Keep the Park Clean for the Pigeons
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  Keep U.S. Beautiful
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  Kermit the Frog 2011 Calendar
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  Kermit Think Green
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  Kermit, Save the Swamp!
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  King Wasteful V
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  The King Who Wasted Paper

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  Let's Help the Earth
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  Litter Rap
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  Little Hands
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  Little Plant
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  Lord Tree
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  Love the Earth!
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  Love the Ocean

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  Man Smart, Critter Smarter
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  Marshal McClean
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  Mi She-Ohev Oti
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  Miss Fran
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  Molly and Melville
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  Mr. Earth
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  Muppet folders (Mead)
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  The Muppet Halloween Show
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  Muppet Magazine issue 19
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  Muppet notebooks (Mead)

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  National Park Service
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  National Wildlife Federation
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  Nature
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  Nature's Family
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  Nuestro Mundo
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  Nuestro Planeta

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  Oak Tree
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  Bill Oddie
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  Off to the Woods!
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  Old Smoggy
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  On My Pond
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  Once Is Not Enough
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  Oscar's Junk Band
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  Outdoors

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  Papermaking Song
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  Park Ranger Squirrel
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  Picture a World
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  Planet Water
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  Plant a Tree for Me!
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  Pond Full of Fish
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  Pretty Park
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  The Prince's Rainforests Project
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  Put It in the Trash Can

• ¿Qué harías?

• 
  The Rainforest Benefit
• 
  Rainy Day Madrigal