Environment

No fires are burning in Colorado – but this week’s hazy and smoky skies along the Front Range are from dozens of wildfires burning across the west.

Horsetooth Reservoir near Fort Collins is dropping by about a foot a day.

First of a two-part series. Read Part 2.

Modern architecture loves glass. Glass makes interiors brighter and adds sparkle to cityscapes. But glass also kills millions of birds every year when they collide with windows. Biologists say as more glass buildings go up, more birds are dying.