Nikki Weathers holds popcorn kernels grown on her farm near Yuma. Colorado State University researchers estimate that nine out of 10 corn kernels grown in Colorado are genetically modified. Starting next year, genetically modified foods must be labeled. (Austin Humphreys, Special to The Colorado Sun)

GMO food labels are coming. But with most products already using modified ingredients, battle lines have shifted.

Food safety advocates still fight for tougher labeling rules, but Colorado farmers feel like they're on a public education campaign of their own

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Colorado to challenge Trump administration decision ending states’ waiver for stricter vehicle-emissions

The Environmental Protection Agency on Wednesday is set to end a waiver that allowed California and other states to have tighter vehicle emissions rules than ones mandated federally

Environment Primary category in which blog post is published

EPA set to end California’s ability to regulate fuel economy, which could impact Colorado

A dozen states -- including Colorado -- and the District of Columbia also follow California's fuel economy standards