Grace Hood

Many cities are converting to LED streetlights. The move can help restore darker skies and make stars visible again, and they also save energy and money. But some LEDs emit light that disrupts sleep.

The U.S. Fish and Wildlife Service announced Tuesday the greater sage grouse does not need protections under the Endangered Species Act. The move is being celebrated by Western states and industry stakeholders because they say a listing would cost them billions of dollars in economic activity. But some environmental groups say the bird should be listed as endangered, and they plan to file lawsuits.

Colorado will need more water to supply the state's fast-increasing population. So two large reservoir projects have been proposed, but some Coloradans worry about the dams' possible ecological harm.

The popularity of The Hunger Games book and film series is leading to an uptick in the popularity of archery, especially among girls. USA Archery says membership is on the rise, and some sporting equipment outfitters have seen a big boost in bow and arrow sales in the years since the series began.

Voters in three Colorado communities passed measures this month limiting the practice of hydraulic fracturing. A close vote in a fourth community means a recount next week. Companies say the measures are creating an uncertain business environment.

Colorado flooding has prompted an unprecedented challenge for the state's oil and gas industry. The practice of hydraulic fracturing is widespread along the state's Eastern Plains, but overflowing rivers have swept away equipment and caused more than 37,000 gallons of oil to spill into or near rivers.

Boulder, Colo., is usually associated with hiking and the outdoors. But one tour guide makes the town's history come alive through humor.

One of ranching's most basic materials is in high demand right now, and hay theft is on the rise. The summer's drought has decreased the supply of hay across much of the U.S. It's resulting in higher prices and hay banditry.

With "classroom flipping," teachers record their classroom lectures online for students to watch at home. Classroom time is then used for problem solving and homework.

In a Disney Store in Southern California, displays include playful child-size mannequins that encourage shoppers to interact with the merchandise.