"Hi, Paulina Rubio here. If you wash your clothes at lower temperatures, you can save a lot of energy. You can save even more energy by washing no clothes. And you can do that if you don't wear them. I'm not wearing any right now."

The mini-speech is from a series of PSAs for Global Cool, a U.K.-based nonprofit that promotes how small personal changes can have a big impact on the environment.

As the Latin spokeswoman for the organization, Rubio gets to be whimsical (Global Cool ads are quirky) as well as serious about a cause she's always pursued but only recently become vocal about.

Rubio is not alone, but she doesn't have much company either. While Latin acts across the board have embraced other causes-most notably children's welfare-the environment has typically been an afterthought.

Click here to find out what Latin acts are leading the green charge, the reasons why environmental issues haven't been given priority over other problems in Latin America and more.

Questions? Comments? Let us know: @billboardbiz

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