Colorado parents who want to opt their children out of required vaccinations may soon have to talk with a medical professional or take an online class first.
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Nine same-sex couples are suing the state, trying to win full legal recognition of their relationships.
Retail marijuana tax revenue could fund substance abuse treatment and programs to keep kids away from the drug.
The bill extending the nation's debt ceiling passed, but all of Colorado's GOP members voted against it.
State lawmakers are moving to pass a raft of bills meant to address flood damage, but some residents have problems legislation can't solve.
A few weeks after recreational marijuana stores opened their doors in Colorado, state transportation officials plan to start a campaign against drugged driving.
The EPA has proposed caps on emissions for new power plants. Officials in northeast Colorado asked the Governor to oppose them.