Orange County’s Sustainability Decathlon aims to curb climate change by getting college students to craft eco-friendly home designs. The inaugural event is at the OC fairgrounds in Costa Mesa Oct. 5 to 8 and Oct. 12 to 15.

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Orange County’s Sustainability Decathlon aims to curb climate change by getting college students to craft eco-friendly home designs. The inaugural event is at the OC fairgrounds in Costa Mesa Oct. 5 to 8 and Oct. 12 to 15.