(SALIDA, Colo.) — A grassroots business that encourages people to be aware of their carbon footprint is based in Colorado and is dedicated to building a more sustainable future through its app ...

Currently, the app is in its soft-launch stages, so challenges are only available in the following communities: Boulder, Colorado Springs, Denver, Fort Collins, Gunnison and Crested Butte, and Salida.

"For decades, federal law has granted California the authority to set its own vehicle emissions standards. President-elect Donald Trump revoked that authority during his first administration in ...