Al Gore’s PowerPoint presentation (which was actually done in Keynote on a Mac) may be the most famous global-warming slide show, but it’s one of probably millions. Scores of save-the-planet slide shows have been shown off in boardrooms and classrooms around the world. Here are some cooked up by people from around the globe.

Alas, the cute factor is conspicuously missing.

So the next time you’re dallying in digital presentations, don’t forget the pleading penguins and polar bears. More pictures of fire and brimstone would probably help too. You can find these and other slide shows on nearly any subject at SlideShare, described as “YouTube meets PowerPoint.”

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