68. It's the Only Earth We've Got

A: Do you know what today is?

B: Yes, it's April 22. A: It's more than just a date. B: Is it your birthday or anniversary?

A: No, it's Earth Day. B: What's that? A: It's a yearly reminder to take care of our planet. B: Oh, you mean like reuse things and recycle stuff?

A: Yes. We need to think green, save water, and stop using plastic bags.

B: How about if I take shorter showers?

A: That's a good idea, because showers waste a lot of water. B: From now on I'll spend only 20 minutes in the shower.