Thanks for joining the Cartoon Challenge! Now bring out your best pens (or pencils, or markers, or crayons, or … you get the gist) and introduce us to your Clean Air Hero.

Make sure to submit your cartoon by March 15, 2017 to compete. Judging will begin on March 16 and end on March 31, 2017. The top three finalists selected by our panel of judges will be announced on April 11, 2017.

Need inspiration? Click here to check out last year’s winners.

Once your cartoon is ready, upload an image of it using the form below. Need to upload student submissions all at once in bulk? Click here.