EarthxHack 2018 Dallas, TX, USA The largest environmental hackathon, hosted at Earthx 2018. $7,300 in prizes Apr 21 – 22, 2018 217 participants
EARTHACK Dallas, TX, USA The world's largest environmental hackathon, hosted at Earth Day TX. $55,200 in prizes Apr 21 – 23, 2017 255 participants
