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Lil Dicky: 'Earth' - Lil Dicky is a comedian-rapper. On 'Earth,' he invites celebs like Ed Sheeran, Ariana Grande, and Leonardo DiCaprio to celebrate the Earth and all its beautiful creatures.

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Joni Mitchell: 'Big Yellow Taxi' - 'Big Yellow Taxi' was inspired by a huge parking lot that Mitchell saw from her hotel window in Hawaii. "They paved paradise and put up a parking lot," she sulks.

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Miley Cyrus: 'Wake Up America' -

Even Miley Cyrus had something to say about climate change. "We're all in this together/It's our home, so let's take care of it," the singer declares.

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Marvin Gaye: 'Mercy Mercy Me (The Ecology)' - Marvin Gaye was a little more poetic on this track, "Where did all the blue skies go?/ Poison is the wind that blows from the north and south and east," he sings.

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Judy Kuhn: 'Colors of the Wind' - This is a standout song from Disney's 'Pocahontas,' sung by Judy Kuhn. Pocahontas criticizes the colonization of her land, singing "You think you own whatever land you land on/ The Earth is just a dead thing you can claim."

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David Bowie: 'Time Will Crawl' - 'Time Will Crawl' was inspired by the Chernobyl disaster, a nuclear accident in the '80s. "We only smelt the gas/ As we lay down to sleep," Bowie sings.

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Madonna: '4 Minutes' feat. Justin Timberlake & Timbaland - You might've thought '4 Minutes' was a simple pop hit. Actually, it was inspired by "becoming much more aware of the environment and how we're destroying the planet," as Madonna told MTV News.

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The Cranberries: 'Time Is Ticking Out' - The Cranberries didn't mince words on this single. "Looks like we've screwed up the ozone layer, I wonder if the politicians care."

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Demi Lovato & Joe Jonas: 'Make a Little Wave' - Two Disney stars came together for this green duet. "What if they're right and the smallest of things/ Can power the strongest hurricane?" asks Demi Lovato.

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Michael Jackson: 'Earth Song' - 'Earth Song' is nearly seven minutes of heartbreak. "Did you ever stop to notice/ This crying Earth, these weeping shores?" MJ asks millions of listeners.

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Beastie Boys: 'It Takes Time to Build' - On this track, the Beastie Boys took aim at George W. Bush, who they "didn't elect." The song also points out how he didn't sign the Kyoto Protocol, an eco-friendly treaty.

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Imagine Dragons: 'Radioactive' - You must remember 'Radioactive,' the pop hit which touches on "breathing in the chemicals" and becoming "radioactive."

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Tracy Chapman: 'The R*** of the World' - On this provocative song, Tracy Chapman calls Earth "mother of us all," who is being assaulted by its own children. Sheesh!

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Bad Religion: 'Kyoto Now!' - Bad Religion were also unhappy about Bush not signing the treaty. "Kyoto now/ We can't do nothing and think someone else will make it right," they sing.

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Jackson Browne: 'Before the Deluge' - 'Before the Deluge' is a gripping story about planet Earth. "Some of them were angry/ At the way the earth was abused/ By the men who learned how to forge her beauty into power," he notes.

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will.i.am: 'S.O.S.' - The Black Eyed Peas front man went green on 'S.O.S.,' singing "The environment is fragile, and we been on a gradual/ Decline and in our lifetime we'll lose the battle."

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Talking Heads: '(Nothing But) Flowers' - 'Flowers' imagines a utopian future for Earth. "There was a factory/ Now they're just mountains and rivers… There was a shopping mall/ Now it's all covered with flowers."

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Jamiroquai: 'When You Gonna Learn' - Jamiroquai has been eco-friendly since his debut, 'Emergency on Planet Earth.' Single 'When You Gonna Learn' is a scathing report on climate change.

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Jimmy Cliff: 'Save Our Planet Earth' - "You better stop cutting down the forest," warns Jimmy Cliff, on the title track of his 1989 album.

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Pink Floyd: 'Sorrow' - 'Sorrow,' by progressive rockers Pink Floyd, is a near-nine minute anthem about "a world that's departed."

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Radiohead: 'Idioteque' - Radiohead talk about end times on 'Idioteque.' "Ice Age coming, Ice Age coming," warns Thom Yorke. "We're not scaremongering/ This is really happening."

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Bo Diddley: 'Pollution' - The old school rocker was ahead of his time on 'Pollution,' saying "Some of you people don't understand/ About throwing your garbage in the street."

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R.E.M: 'Fall on Me' - Many R.E.M tunes deal with society's problems, and 'Fall on Me' is no exception. "Buy the sky and sell the sky/ And bleed the sky," sings Michael Stipe.

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Public Enemy: 'Don't Give Up the Fight' feat. Ziggy Marley - "Radiation is the world's disease/ Bringing nations down to the knees," raps Chuck D, clarifying that "Mother Nature, she ain't pleased."

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Neil Young and Crazy Horse: 'Mother Earth (Natural Anthem)' - Neil Young is another artist who wants to save the Earth. This poignant song asks "How long can you/ Give and not receive/ And feed this world/ Ruled by greed?"

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The Kinks: 'Apeman' - The Kinks have so many great lyrics, and 'Apeman' expertly addressed climate change. "I don't feel safe in this world no more," worries Ray Davis.

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James Taylor: 'Traffic Jam' - Taylor was pretty forward-thinking on this 1977 track, singing "Now I used to think that I was cool/ Running around on fossil fuel/ Until I saw what I was doing/ Was driving down the road to ruin."

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Ben Harper: 'Excuse Me Mr.' - "Excuse me Mr but isn't that you're oil in the sea?/ And the pollution in the air Mr, who's could that be?" asks Ben Harper, on this gripping track.

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Bruce Cockburn: 'If a Tree Falls' - Bruce Cockburn paints a vivid picture on this standout track, asking "If a tree falls in the forest does anybody hear?/ Anybody hear the forest fall?"

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Pixies: 'Monkey Gone to Heaven' -

A popular single from the Pixies, 'Monkey...' "mainly deals with man's destruction of the ocean and confusion of man's place in the universe," says front man Black Francis.

Now, meet the celebs who champion climate change. 

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