Earth Day Comics

As you may know, I sometimes do a scan of the funnies on holidays and such to see how many cartoonists do something to denote the occasion. Religious holidays are a little iffy since, as a newspaper cartoonist, you wouldn't want to alienate the part of your audience that isn't of that faith, though Christmas and Easter are often seen as secular enough to get a pass. Theoretically, uniquely American holidays like US Independence Day would also be a bit off limits depending on the global reach of your audience, although I think most American comics don't get much traction outside the States to begin with. Earth Day, though, is a global, secular holiday and you'd think that would be an easy one to throw on the calendar and give creators a go-to topic for gag every year. Given how few cartoonists seem to reference it, though, that does not appear to be the case. Here's all I could find this morning...

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