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Then it says, flip over, and on the back, draw something showing one problem Earth has. He drew a dumpster, and "garbage". He said he drew an old TV that someone threw away, and a banana peel.
So I figured it would make sense to take the opportunity to explain the difference between those two types of "garbage". I explained that a banana peel is a fruit, so it comes from the Earth - it's a natural product that will simply decompose back into the soil, and the Earth will use those nutrients to grow other things.
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So he looked at me, and said, "so why do we throw our banana peels in the garbage?"
(Dramatic pause as the adult realizes she'd better step up. Now.)
I attempt explanation. Well, we don't have anywhere to put them. The right thing to do is compost that stuff. That means we can collect it in a composter under the sink, and then transfer it to the garden. We're going to make our garden this weekend...would you like us to start doing that?
Yes.
Okay, deal.
I'll report on how it goes.