[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/Lorax_poster__1487.jpg]]
[[caption-width-right:350:The Dutch poster]]'''''The Lorax''''' is a [[AllCGICartoon computer-animated]] family feature film based on [[Literature/TheLorax the book of the same name]] by Creator/DrSeuss. It is the third film by Illumination Entertainment and the second animated film from the team from ''WesternAnimation/DespicableMe'', as well as the writers from ''HortonHearsAWho''. Creator/DannyDeVito voices the Lorax. New characters include Ted (Creator/ZacEfron), a 12-year-old boy in the city of Thneedville who has a crush on a high school girl, Audrey (Music/TaylorSwift), who says that Truffula Trees once populated this area before a city was built over it, and wishes to see them for herself. In an attempt win over her affections, Ted seeks out the home of the Once-ler (Ed Helms), who tells the tale of how he brought down the forest. But once he's discovered leaving town, the O'Hare company that oversees Thneedville wants to ensure Ted stays in the city and ensure nobody discovers the mess outside the city limits.

The film was released in March 2012.
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!!The film provides examples of:

* ZeroPercentApprovalRating: [[spoiler:O'Hare gets this near the end of the movie when Ted reveals the corrupt nature of both his business and character. Even his goons turn on him.]]
-->[[spoiler: '''O'hare:''' Let it die, let it die. Let it shrivel up and... Come on, who's with me?]]
-->[[spoiler: '''3-year Old Marie:''' Nobody.]]
* AbusiveParents: The Once-ler's mother. First, she derails his dreams, which hurt him for a long time. Then she pressured him into breaking his promise for The Lorax. Finally, when his business ultimately fails, she throws him away like garbage.
* ActionMom: Ted's mother during the chase scene.
* AdaptationalAttractiveness: Young Once-ler, given that we never see his face in the book.
* AdaptationExpansion: The movie expands on the FrameStory with the boy seeking out a tree to impress a girl he's in love with and then we see his struggle to undo the environmental devastation the Once-ler created in the face of his municipal government's opposition. The boy is given the name Ted, and his mom, Grammy Norma, Audrey, and O'Hare (indeed, the entire Thneedville population save for Ted) were never in the book.
* {{Adorkable}}: The Once-ler. His facial expressions alone really sealed the deal for a lot of people.
* AffablyEvil: The Once-ler is never maliciously evil, he just fails to recognize the consequences of his actions until it's too late.
* AgonyOfTheFeet: This happens to the Lorax on a DVD special feature that lets viewers watch the characters playing with things from the Once-ler's cart. If the viewer selects the cart to get more items, then the Lorax kicks it to make the items appear, then wanders off the edge of the screen, clutching his foot in agony.
* AllAnimalsAreDomesticated
* AllThereInTheManual: The bar-ba-loots (brown forest critters), except for one easily missed line, are not named in the film, although they are mentioned in the soundtrack album version of "This is the Place" and on DVD special features. They are named in the book, however, along with the Swomee Swans and Humming Fish.
** During the end of How Bad Can I Be, The Once-lers' family provide a backup chorus. It sounds like generic chanting, but the official soundtrack reveals lyrics that were apparently censored.
-->''Buy, sell, trade, squash\\
Pork, fat, cut, smash\\
Gold, yen, mark, pound\\
Short, coal, oil, war''
* {{Ambiguously Gay}}/{{CampStraight}}: The Once-ler
** There's [[RealMenWearPink nothing un-manly]] about knitting.
* AmbitionIsEvil: The Once-ler was ambitious from the start, but success led to his desire for more and more until he became corrupted by it.
* AnAesop: Over-industrialization is a terrible thing.
--> Unless someone like you cares a whole awful lot, nothing's going to get better. It's not.
* AnticipatoryBreathSpray: Ted does this before he enters Audrey's house.
* AntiVillain: The Once-ler.
* AppealToInherentNature: The chorus of the Once-ler's VillainSong begins with the line "How ba-a-a-ad can I be? I'm just doing what comes naturally."
* ArtisticLicenseGeography / WorldLimitedToThePlot: Thneedville and the former Truffula forest are treated like the only places left in the world in the main (post-Lorax) story, despite the Once-ler [[TravelMontage traveling to various locations]] on his quest for Thneed material and having grown up in a rural area far away enough from Thneedville that his family needed an RV to get there.
* AscendedExtra: The boy who's listening to the Once-ler's story is given a name (Ted) and an expanded role in the film (searching for the trees in order to impress a girl).
* TheAtoner: The Once-ler.
* AttackOfThe50FootWhatever: The Once-ler at the end of "How Bad Can I Be?"
* AuthorAvatar: Audrey is clearly supposed to be producer (and widow of Dr. Seuss) Audrey Geisel and her views. Ted (named after Dr. Seuss) less so.
* AvoidTheDreadedGRating: O'Hare drops a "damn it" to express his frustration during the climax. Given how out of tone it is with the rest of the movie and that just an annoyed look would have sufficed there it seem quite obvious why they put it in.
* BadAssBiker: When Ted gets on that scooter, awesomeness ensues.
* BedmateReveal: The Once-ler wakes up in his bed... and sees the face of the Lorax yawning next to him. Cue both freaking out.
* BigBad: O'Hare in Ted's story.
** The Once-ler ends up being this in his own story.
* BigBrotherIsWatching: The leaders of the city don't like the idea of anyone trying to leave, and they have cameras everywhere.
* BigEater: The fat bar-ba-loot naturally seems to have shades of this.
* BigNo: [[spoiler: O'Hare has his as the residents of Thneedville banish him with a rocket helmet as comeuppance for his greed.]]
* BillingDisplacement: Trailer only. The film's opening credits are actually appropriate, starting with the three characters from the book in order of importance (Danny [=DeVito=] as the Lorax, Ed Helms as Once-Ler, and Zac Efron as Ted) and the rest following. [[NeverTrustATrailer The trailer on the other hand]] plays up Zac Efron and Taylor Swift, gives Danny [=DeVito=] an "AndStarring", and never mentions Helms at all.
* BittersweetEnding: The townspeople don't really learn any lesson, they simply continue to blindly follow whoever makes an impression on them (not to mention how they don't have a mayor or canned air salesman anymore!), the Once-ler gets redemption from the Lorax, but he can't get his life back, and never really discovers his "full potential", instead he just fixes what he broke, and Ted's ending was neutral. The only character that really ends up with a truly good ending is "nature", if you want to count that.
** That depends on how you look at it. The townspeople definitely learn one thing, and that's the fact that not everything is as perfect as they thought it was now that they've seen how bad things were this whole time just outside their city. It's also implied that they helped to restore the environment after the seed was planted in Thneedville, so maybe they did have an epiphany about nature's natural beauty and that having an artificial city isn't such a good thing after all. As for Ted, considering he both helped the Once-ler correct his mistakes and the implication that he and Audrey finally got together, which were his two main goals, his ending qualifies as being a positive one too.
* BlackAndGrayMorality: The Once-ler is made far more sympathetic. In the animated special, he's not outright bad, but he is ignorant, careless, and greedy. In the film, he's really only cutting down trees by pressure from his family who aren't sympathetic in the least, until the "How Bad Can I Be" number, where he becomes [[TookALevelInJerkass much less likable.]] The film's other main antagonist, however, is on-par with a ''[[WesternAnimation/CaptainPlanetAndThePlaneteers Captain Planet]]'' villain. Thus we have Once-ler (Gray) and O'Hare (Black).
** Of course, the good guys are pretty much good.
* BrainsAndBrawn: Once-ler's brothers are a threat because they can't tell a difference between a bear and a football. Once-ler's mother is a threat because she ''can''.
* BrokenAesop: The movie is critical of corporations and against pollution... While the film itself had several tie-in promotions with several corporate properties, including products that are known to have hostile effects against the environment.
* BrokenMasquerade: Ted discovers the world outside of Thneedville, and O'Hare and his minions stop at nothing to re-conceal it.
* BusbyBerkeleyNumber: The opening "Thneedville" song.
* CanonForeigner: Ted's family, Audrey, and O'Hare never appeared in the book.
* CardCarryingVillain: When the antagonist bursts out into a rendition of "Let It Die", it's safe to say that [[{{Anvilicious}} subtlety is out the window]].
* CartoonCreature: All of the inhabitants of the Truffula forest.
* CloudCuckoolander: Many of the animals that inhabit the area the Once-ler finds.
* TheCoconutEffect: When the rock hits one side of the Onceler's bed before it goes over the waterfall, there is a "sproing" sound as if tension has been released (like a diving board) - but there was never any tension in the bed - the rock simply landed on the opposite side, sending him off as if it was a seesaw.
* ConspicuousGloves: The Once-ler dons elbow-length green gloves from the moment his business takes off to the end of the movie, as a ShoutOut to the original character.
* CoolOldLady: Ted's grandmother.
* CoolShades: The Once-ler gets some during "How Bad Can I Be?"
* CorruptCorporateExecutive: O'Hare is the standard type, while the Once-ler at his worst is more self-deluded about himself than anything else.
* CrapsaccharineWorld: The town of Thneedville seems like a really nice place. That is, until you see what lies [[CrapsackWorld outside the town...]] In the climax [[spoiler: Ted gets the townspeople on his side by [[TheUnmasquedWorld exposing it.]]]]
** The entire idea of Thneedville is a big TakeThat at modernization and industrialization. Thneedville is literally perfect, serene, and is entirely self sufficient. Although [[spoiler: the air is almost completely polluted, leading to the BigBad gaining his fortune by selling ''air.'' The world outside is dead and decaying, there are the huge, rusted logging machines that Once-ler used to destroy the forests, and the only sign of any life outside of Thneedville is the Once-ler himself, in the tower that he seems to have stayed in since his business failed.]] Crapsaccharine indeed.
* CrowdSong: "Let It Grow" and "Thneedville"
* CutSong: There are a few on the soundtrack, as well as some alternate versions of "Thneedville" and "Everybody Needs a Thneed."
* DaydreamSurprise: An elaborate sequence where Ted daydreams of getting a Truffula Tree for Audrey's birthday. Cue SmoochOfVictory and before the lips meet...
--> '''Ted's Mom''': Tedster, you're kissing the cereal again, hon.
* DeadpanSnarker: Old Once-ler. The younger Once-ler has shades of this.
* DeliberatelyCuteChild: 3-year-old Marie, even earning a big aww from the crowd.
* DemotedToExtra: The title character. He is more or less a supporting character in the second act of the story, never appears in the main story (except at the end) and his story (the main story of the book) takes a back seat to the story of [[AuthorAvatar Author Avatars]] Ted and Audrey.
* DescentIntoDarknessSong: [[spoiler:The Once-ler]]'s VillainSong seems fine and dandy for most of the song. That is until he starts talking about [[spoiler:not caring if the trees are dying]], while you see him [[spoiler:destroying said trees with the soundwaves from his guitar and carelessly hacking down every tree left and right while the forest creatures run for their lives.]] Not only does the song get so much darker, his voice gets a distinct malevolent echo at the end.
** [[http://www.youtube.com/watch?v=BpgUQYARIsw Biggering]] extends the whole descent into darkness. At the end, it sounds like the Once-Ler descended also into madness.
--> '''The Once-ler''': ''Who cares if some THINGS are dying?!''.
* DespairEventHorizon: "Well that's it... The very last one."
* DisneyAcidSequence: The song the Once-Ler sings while he and his family cut down the forest and build their factory.
* DisappearedDad: Ted's father and grandfather are never seen or mentioned in the film.
** It's also never made clear if the man with the Once-Ler is his Father or Uncle. However, since the Once-Ler is supposed to be like Ted (in a sense), it might be his Uncle, so both Ted and the Once-Ler would have missing Fathers.
** ParentalAbandonment: Neither are both of Audrey's parents.
* DoNotDoThisCoolThing: It's difficult not to want to be in the Once-ler's shoes during "How Bad Can I Be". Though he's brought back to earth ''hard'' in the following scene.
* DoubleEntendre: "How Bad Can I Be?" is potentially both a question ''and'' a challenge.
* EstablishingCharacterMoment:
** The Once-ler gets this when he arrives in the Truffula Forest. When he unloads the van while singing he carelessly throws everything behind him, barely missing killing anyone; the animals are not amused.
** The Lorax gets one when he's first summoned and looks at the chopped down tree. He mourns for the chopped down tree before going after the Once-ler.
* EvenTheDogIsAshamed: When the Once-ler's mule walks away from him along with the forest critters.
* EverythingsFunkierWithDisco: The Oak-a-matic has four settings: summer, fall, winter, and disco!
* EvilLaugh: O'Hare.
* EvilMakeover: Once-ler when he becomes "The Once-ler" during the "How Bad Can I Be?" number.
* TheFaceless: The Once-ler in the present-day, although not in the flashback sequences. This departs from the book, where you never see his face.
* FailedASpotCheck: The Once-ler is completely oblivious to the arrival of the Lorax, despite storm clouds darkening the forest, accompanied with thunder and lightning, and lightning striking the stump itself. The Lorax lampshades this.
* FlatCharacter: O'Hare. There's a reason he's been compared to a CaptainPlanet villain. Though this ''does'' give us a [[CrowningMomentOfFunny rather funny moment]] in the final musical number where he seems about ready to [[HeelFaceTurn change his ways]]....then says "Naaah! Just kidding!", remaining a FlatCharacter to the end.
* FreudianExcuse: The Once-ler had a dreary childhood and parents who thought he would never amount to anything; thus his determination to prove himself, even at the expense of the forest.
* FromNobodyToNightmare: The Once-ler, in his flashback.
* FunnyBackgroundEvent: Quite a few, most of which involve the fish and bar-ba-loots.
* GranolaGirl: Audrey has some shades of this; her desire for a natural Truffula tree provides Ted's motivation.
* GreekChorus: The Humming Fish occasionally show this in the Once-ler's flashbacks, at one point, they start resembling the mice from ''{{Film/Babe}}''.
* GreenAesop: Lifted straight from the novel and given extra oomph with the addition of O'Hare and the modern Thneedville.
* HeelRealization: The Once-ler's expression when the last Truffula Tree falls.
* HereditaryHairstyle: Ted's mother and Grammy Norma. The only difference between them is color (Justified, due to Grammy's age).
* TheHermit: Old man Once-ler.
* HeroOfAnotherStory: Ted and the Once-ler are this to each other.
* HeroesWantRedheads: Ted falls for redheaded beauty Audrey (who's older than him by a few years, mind you) and decides to find out about the fate of the trees for her sake.
* HopeSpot: Although it's subverted by the ForegoneConclusion, in the past, the Once-ler nearly gives up on his Thneeds before he manages to sell one, and later is willing to honor his promise to stop cutting down Truffula Trees before his mother gets greedy and manipulates him into it.
* HowWeGotHere: The film starts with all the trees gone and most of the film is the Once-ler telling the story of what happened to them.
* HumanFocusedAdaptation: The focus is now more on the Boy (Ted) and the Once-ler than the Lorax. Arguably the Once-ler was the main character of the earlier versions too, but in those [[TheFaceless it's unclear if he is supposed to be human]].
* HumansAreTheRealMonsters: The Once-ler is human in this adaptation, at least in the flashbacks. Even he didn't start out a bastard, but his parents clearly were and drove him to become one too.
* IdenticalStranger: Done for [[DramaticIrony dramatic]] purposes. The Once-ler looked a lot like Ted in his younger days. Also, the first person to ever get a Thneed looks a lot like Audrey.
* IgnoredEpiphany: O'Hare's portion of "Let it Grow":
-->''The things you say just might be true\\
It could be time to start anew\\
And maybe change my point of view...\\
Nah! I say let it die!''
* InevitableWaterfall: It makes the practical joke that the Lorax plays on the Once-ler a lot more serious, and brings the two together for a short time.
** Played with: Once-ler and Pipsqueak only face relatively passable rapids at first, and once they clear those... They see the huge roaring waterfall the trope normally deals with.
* InvisibleBackupBand: Partially averted during the Once-ler's song, "This Is The Place." The music comes from his electric guitar, without an amp. [[LampshadeHanging Lampshaded]] as he asks the animals what happened to his backup when the music comes to a sudden stop.
* ItsAllMyFault: The Once-ler. "They're all gone...It's because of me..."
* JewishMother: Ted's mom has this in spades, which would technically make him AmbiguouslyJewish.
* KarmaHoudini: The Once-ler's family after manipulating him into despoiling the forest, ruining his business and rejecting him afterward. They leave and are never seen from again.
* KickTheDog: In perhaps the fastest, blink-and-you-miss-it example, in the song "How Bad Could I Be", you see the a bar-ba-loot pick up what looks like one of the last few truffula fruit, and the largest is going to let the small one eat it... only to have Once-ler pick it right out of their hands and eat it in front of them.
* KnightTemplar: Young Once-ler after his FaceHeelTurn. Bonus points for having a [[VillainSong Knight Templar Song]] while AffablyEvil and appearing as an EldritchAbomination to the animals and the Lorax at the song's end during the DisneyAcidSequence.
* LastNoteNightmare: '''''[[VillainSong HOW BAD]] [[ScareChord CAN THIS]] [[OminousLatinChanting POSSIBLY BEEEEEEEE?!?!]]'''''
** And the cut song, Biggering. '''''[[SanitySlippage I DON'T WANNA HEAR YOUR CRYING!!!]]'''''
* LegoGenetics: A boy turns into a bioluminescent mutant after going into the local polluted swimming pool.
* LiteralAssKicking:
-->'''The Once-Ler''': And don't let the boot hit you on the way out.\\
'''Ted''': The boot?
* LittleBoySeeksBigGirl: 12-year-old Ted's crush for high school girl Audrey.
* LookBehindYou: The Once-ler pulls this on The Lorax.
* LookOnMyWorksYeMightyAndDespair
* LyricalDissonance: The entire "Thneedville" number is a bouncy and upbeat song about how there is absolutely nothing natural or organic about the city, and their blissful ignorance regarding what happens to the waste.
** The "How Bad Can I Be?" song segment shows obviously unpleasant and horrid things happen to the environment and those that live within it while the lyrics constantly try to convince us that it's all for the greater good and is completely understandable.
* MamaBear: Although not immediately obvious, Ted's mom becomes this in the climax.
* ManHug: There is a particularly emotional one near the end of the movie between the Lorax and the Once-ler.
* MeaningfulEcho: At the beginning of the movie, The Lorax introduces himself: "I am the Lorax. I speak for the trees." In the climax, Ted does the same thing the Lorax does: "My name is Ted Wiggins, and I speak for the trees!"
** A visual example with those two characters is the ring of stones that they placed around trees.
* MeaningfulName: Ted, [[MythologyGag the actual name of Dr. Seuss. Also Audrey, named after his second wife]].
** The Once-ler, as in the original.
* MelismaticVocals: The first line of each verse of "Thneedville" is punctuated with a melisma. And of course, "How ba-ah-ah-ad can I be?"
* MetaphoricallyTrue: The Once-ler promises the Lorax he won't cut down any more trees. And he doesn't. [[LoopholeAbuse He gets others to do it for him.]]
* MisterBig: O'Hare.
* MisunderstoodLonerWithAHeartOfGold: The elderly Once-Ler.
* MomentKiller: Ted and Audrey nearly kiss, but Ted's mother yells, "We don't have time for that!"
* MoodWhiplash: From the song "How Bad Could I Be" to the PollutedWasteland resulting from the very actions the song was about.
* MotorMouth: The Lorax, when the Once-ler asks him how his bed got in the river, he says, "Iputyourbedinthewater."
* TheMusical: [[NeverTrustATrailer Believe it or not.]]
* MyGodWhatHaveIDone: As in the original book, the Once-ler once he sees the deforestation. The effect is added when he realizes he's losing all of the friends he made.
** O'Hare pretends he's remorseful over how he's monopolized ''air'' and made his town such a [[CrapsaccharineWorld thinly-veiled polluted crapsack]]. He then tries to get the crowd to let the Truffula die. [[NiceJobFixingItVillain It only makes the town want to plant the tree more.]]
-->'''O'Hare''': My name's O'Hare, I'm one of you! I live in Thneedville too. The things you say just might be true. It might be time to start anew. ''[beat]'' Nah, I say let it die! Let it die! Let it shrivel up- who's with me?
--> '''3-Year-Old Marie''': Nobody.
--> '''Delivery Guy''': You greedy dirtbag!
* MythologyGag:
** The Once-ler's gloves are green. His arms were all green in the book and cartoon.
** "Everyone Needs A Thneed" returns with reworked lyrics.
** When the Once-ler was trying to sell Thneeds at the local town, he advertised them being sold for $3.98. This is the price he managed to bargain off with the first man who bought one in the book.
** The box of the toy plane Ted lands in Audrey's house is labeled "Geisel's Gadgets." Geisel is Dr. Seuss's last name.
** Ted and Audrey share names with Ted and Audrey Geisel, with Ted Geisel being Dr. Seuss' real name and Audrey his wife and the film's executive producer.
* NakedPeopleAreFunny: Averted. There's a quick scene where the Once-ler strips off his pajamas for a change of work clothes in front of the Lorax and the Bar-ba-lots, but it's never commented upon.
* TheNapoleon: O'Hare.
* NeverMyFault: Once-ler's mother pins all the blame for the Thneed business failing on him.
* NeverTrustATrailer: Some people had to think that Ted was going to meet the Lorax even though he never did. The fact that the young version of the Once-ler looked [[IdenticalStranger strangely like him]] doesn't help.
** The TV spots for the DVD release include ''as little footage of Ted's story as possible.''
* NiceJobFixingItVillain: If O'Hare would've kept his mouth shut after he sang the first part of his song during the ''Let It Grow'' song, he probably would've been allowed to stay as mayor even if his air company went bankrupt.
* NoNameGiven: None of the forest creatures are referenced by name during the course of the movie, though the movie's [[AllThereInTheManual official site]] seems to give ''some'' of the creatures names. In one of the cut songs included on the Soundtrack, "This Is The Place," they're all named & introduced by the Once-ler one at a time as he tries to find material for his Thneed.
* NotGoodWithPeople: The Once-ler ironically seems to be more comfortable around the animals than other people.
* [[NothingCanStopUsNow Nothing Can Stop Me Now]]: The Once-ler tells the Lorax that nothing will stop him from chopping down truffula trees to make more thneeds. [[TemptingFate Cue the very last tree falling...]]
-->'''Lorax:''' That's it. The very last one. That may stop you.
* ObliviouslyEvil: Once-ler during his "How Bad Can I Be" sequence.
* OddlySmallOrganization: Once-ler's Thneed Company only seems to ever have his family as its workers despite how big it gets.
** O'Hare's company seems to follow this trope as well, with the only employees being O'Hare himself, his two goons, and the one delivery man. This is especially noticeable in the climax, where O'Hare feels the need to join the chase himself.
* OffscreenTeleportation: After the Once-ler tells the Lorax that he's not going anywhere, he walks into his house and shuts the door only to discover the Lorax standing there.
* OhCrap: Ted has one just before he's launched up in the air when he rings the Once-ler's doorbell.
* OpeningChorus: "Thneedville"
* TheOutsideWorld: The film has Ted wanting to go to the Outside World to find a real live tree for a girl he likes. However, he finds that [[spoiler: the outside is a really bleak and dark CrapsackWorld.]]
* ParentalBonus: The non-fiction book ''Too Big To Fail'' (about the current global economic crisis) is referenced in one scene. The film's producers seem to be in love with referencing topical news events (see ''WesternAnimation/DespicableMe'').
* PetTheDog: Exploited."How ba-a-a-ad can I be? Just look at me pettin' this puppy."
** Made worse by the fact that he had a ''legitimate'' PetTheDog moment earlier with the very same animal.
* PlotHole: If there weren't any trees in Thneedville, then how was the town still inhabitable? Especially seeing how trees are needed to create oxygen.
** Not to mention, where exactly is O' Hare getting the synthetic oxygen?
** It was briefly explained by a billboard in the background during the sales pitch scene. The billboard illustrates the cycle of selling air, breathing air, filtering air, selling it again. Presumably he just filters the air, pumps the pollutants out of the city, and sells the cleaned air to the public again. This is more [[ArtisticLicenseChemistry Artistic License - Chemistry]] than a Plot Hole.
* PragmaticAdaptation: The Once-ler was made human because the producers felt that keeping him as he is in the book would send the wrong message to kids concerning who is responsible for causing environment destruction in that world. Also this film indicts the environmental blight of urban sprawl as well as unchecked industrialization. There's also the fact that trying to film the story exactly would make for a really depressing movie if you didn't have Ted's struggle to put things right.
* ProductPlacement: Thankfully avoided in the movie itself, but some of the crossmarketing [[http://www.scpr.org/programs/madeleine-brand/2012/03/01/22732/how-mazdas-lorax-campaign-went-awry hasn't been without controversy]].
* PhotoOpWithTheDog: ''Literally'', as part of "How Bad Can I Be?"
* PollutedWasteland: The land surrounding Thneedville is this for a while; the air is full of smog, and unexplained oil-like substances are being leaked (if not deliberately pumped) into the water outside the town.
* PuttingOnTheReich: During "How Bad Can I Be?", the Once-ler's Family marches as an army behind him, swinging their hatchets like in a rifle drill.
* {{Ramprovisation}}: Ted's attempt to [[RampJump jump over the gorge]] using a barrel and a board doesn't quite go as planned. Good thing too, because if it did, he wouldn't have had a way back.
* RealMenWearPink: While sewing his first thneed, Once-ler insists to himself that there's nothing unmanly about knitting.
** He also ends up wearing a pink thneed scarf.
* RidiculouslyCuteCritter: Many of the animals in Truffula Valley. Mostly Pipsqueak.
* RuleOfThree: The Once-ler spreads his story out and stops in select areas so Ted has to come back another day to hear the rest. It takes three days/visits for him to get the whole story.
* SanitySlippage: The Once-ler gets more committed to "biggering" the more the Lorax calls him out on the effects of his operations. It isn't until the last tree falls that he comes to his senses.
* SceneryPorn: The vistas of Thneedville.
* SceneryGorn: The environmental devastation outside Thneedville.
* ScreamsLikeALittleGirl:
** The Once-ler's scream when he wakes up and finds the Lorax next to him is really high-pitched. He does this when the forest animals attack him, as well.
** The man who's having a bath when Ted drives into his house to get out of the city.
* ShoutOut:
** One plot point regards a salesman selling [[Film/{{Spaceballs}} canned air]], in actual soda cans.
** Thneed-Ville is a lot like the Village in ''ThePrisoner''.
** The trees on the ski course are from Lego sets.
** The Humming Fish hum the Mission Impossible theme when the Lorax and the Barbaloots carry Once-ler's bed to the river.
** Audrey's design is reminicent of Pontoffel Pock of ''Pontoffel Pock, Where Are You?''/''And his Magic Piano''.
* ShooOutTheClowns: The three Humming Fish disappear when it's time to be serious.
* ShoutOutThemeNaming: The main human characters are named Ted (short for Theodore, DrSeuss's real name) and Audrey (Dr. Seuss's wife).
* SilentSnarker: Melvin.
* SlasherSmile: Once-ler gives one at the very end of "How Bad Can I Be?"
* SpellMyNameWithAThe: "The" Once-ler.
* StartOfDarkness: The song "How Bad Can I Be" demonstrates Once-ler's FaceHeelTurn as he justifies his actions to himself.
* StealthPun: Towards the end of the DisneyAcidSequence during "How Bad Can I Be?", the Once-ler is flattening truffula trees with the soundwaves from his electric guitar. In other words, he's using his axe as an axe.
* TakeThat:
** "How Bad Can I Be?" is a musical one against every popular modern excuse for corporate excesses you can think of.
** O'Hare's bottled air business is an obvious jab at the bottled water business.
** The advertisement proposed to O'Hare, on the other hand, looks like a jab at beer commercials.
* TemptingFate: "How Bad Can I Be?" Well, Once-y, [[ApocalypseHow since you]] [[SceneryGorn asked]] [[KickTheDog so nicely]]...
* TheCameo:
** A model of one of ''Despicable Me'''s minions can be seen as Ted looks through his drawer for a screw (in keeping, since both movies come from Universal and Illumination Entertainment).
** There is also a picture of one on his Converse-looking sneakers, right where the logo should be.
* TinyGuyHugeGirl: Ted and Audrey. Justified since he's twelve and she's in high school. (Incidentally, Taylor Swift really is taller than Zac Efron, though not to quite the same extent.)
* TrailersAlwaysSpoil: The second trailer tells you the book's ending! This is harmless to the movie itself though--the storyline is expanded to continue after those events.
* TrademarkFavoriteFood: The Once-ler loves marshmallows and uses them to win over the forest creatures.
* TreacheryCoverUp: The greenery you see in the town? It's plastic to cover up the environmental destruction.
* UnderminedByReality: The film's numerous corporate tie-ins screw up the message quite spectacularly. The Lorax speaks for the trees, and Mazda!
* TheUnfavorite: The Once-ler is implied to be this before he sets out to find his fortune. He manages to shake it for a while after becoming a success, but it doesn't take long for his mother to choose his other brothers over him once more. Out loud. [[KickTheDog To his face.]]
* TheUnmasquedWorld
* VanityLicensePlate: The Once-ler has one on his horse-drawn wagon.
* VillainProtagonist: The Once-ler, as in the original book. Of course, [[AntiVillain he's more sympathetic here.]]
* VillainSong:
** "How Bad Can I Be?"
** O'Hare's section of "Thneedville" (soundtrack version). It's a shame that part was cut, as it sums things up so nicely.
-->''Everyone 'round here works for me\\
I sell them something they should get for free\\
We live in perfect harmony!''\\

** Among the soundtrack's cut songs, "Biggering", a darker RockOpera-inspired version of "How Bad Can I Be?"
* VitriolicBestBuds: The Once-ler and the Lorax. When the Thneed fails, they become genuine HeterosexualLifePartners...until the masses come clamoring for Thneeds and even then, he tries to listen to the Lorax and keep his promise, until Mom points out that production is slow thanks to picking the truffs from the trees...then it all goes downhill from there.
* VocalDissonance: Does Ted even sound close to a twelve-year-old?
* WaistcoatOfStyle: Young Once-ler sports one.
* WallAroundTheWorld: Thneedville.
* WeUsedToBeFriends: After "How Bad Can I Be", the Lorax asks the Once-ler if his presence makes him remember the promise he broke and the person he used to be. Once-ler [[HairTriggerTemper doesn't take this well.]]
* WellDoneSonGuy: Part of the Once-Ler's motivation is to please his fickle mother. Ultimately, she manipulates him and rejects him after she ruins his business and the forest.
-->'''Once-Ler's Mother:''' Son, you have let me down. [[MoodWhiplash Brett, you are now my favorite child.]]
* WoobieDestroyerOfWorlds: The Once-ler.
* WhoNamesTheirKidDude: Apparently, "Once-ler" is his actual name. His mom calls him "Once-y." His brothers, on the other hand, are named [[ThemeTwinNaming Brett and Chet]], which proves that there ARE normal names...
** It seems his real name is Wuncler. The only time we actually see his name written is during [[VillainSong How Bad Can I Be?]], and Once-ler seems like a nickname that stuck.
* WouldntHitAGirl:
--> '''Once-ler:''' "You wouldn't hit a woman!"
--> '''The Lorax:''' "That's a ''woman?''"
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