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Do good, breathe easier and win great prizes! Rise to the challenge this August with our Million Air Challenge. This fun, free event aims to collectively remove 1 million pounds of emissions by replacing car trips with more sustainable ways of travel. The challenge runs from August 15 through August 28.

We can make a difference!

How to Sign Up

Join the challenge with these easy steps:

  1. Join GCO at
  2. Log your trips for a chance to win


You could win one of our grand prizes – a $500 gift card from to Big Peach Running Company and a one-year Family Plus Gift Membership to the Atlanta Botanical Garden.

Even more prizes!

If you love getting rewarded, we have tons of chances to win more cool stuff so you can travel in style. Log at least 6 green trips or 3 telework days during the two weeks of the challenge and you’ll be entered to win these other exciting prizes:

●Hiplock Spin wearable chain lock (log 6 bike trips)

●SkullCandy Earbuds (log 6 transit trips)

●ErgoFoam Adjustable Footrest (log 3 telework days)

●Yeti Rambler Travel Mug (log 6 carpool or vanpool trips)

You can also be entered for a chance to win additional weekly prizes by following GCO on Facebook and Instagram.

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