"CSI" stars Marg Helgenberger, Brendan Fehr and Emily Procter clue us in on some green tips. (Gerri Miller)

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Emily Procter: Hey everybody, I'm Emily Procter.

Brendan Fehr: I'm Brendan Fehr.

Marg Helgenberger: I'm Marg Helgenberger and you're watching The Mother Nature Network.

Emily Procter: Hey everybody, I'm Emily Procter from "CSI: Miami" and my green tip is always to reduce, reuse, recycle. Everybody knows it, but I think, the less you use, the less garbage you make, the more you can borrow from other people — is always an easy way to go.

Brendan Fehr: I'm Brendan Fehr and my green tip of the day is turn the lights off. It's not only good for the environment, it's good for your wallet.

Marg Helgenberger: Grow a second garden, with lots of gravel — Mediterranean — it's very arid — it's not very thirsty.

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