Tucson events: Car free day; Arizona centennial prep; Desert Museum plant sale

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TUCSON, Ariz. -- Thursday was Car Free Tucson day.

Residents were encouraged to get to work by any other way except by car.

It was all in part to help reduce air pollution, explore transportation alternatives and traffic congestion.

Every 41 miles a person drives supposedly puts one pound of pollution into the air we breathe.

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TUCSON, Ariz. -- A celebration Thursday afternoon to get people excited for the upcoming Arizona Centennial.

Five key articles from the 1848 treaty of Guadalupe Hidalgo were on display. There was traditional food served and specially minted copper coins.

There will be a number of events leading up to the big celebration on February 14.

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TUCSON, Ariz. -- A plant sale at the Arizona Sonora Desert Museum started Thursday.

The members only pre-sale took place Thursday.  The sale will continue Saturday and Sunday.

They say October is the perfect time for potting and planting.

"This is an annual plant sale.  We do it here at the end of September with the onset of the cooler weather.  The soil is still warm, so October is one of the best planting months of the year.  So, a plant sale here at the end of September sets the stage for your great fall planting," said George Montgomery from the Arizona Sonora Desert Museum.

Desert Museum staff and volunteers have advice for caring for the plants if you go to the sale. You can also purchase decorative pots.