Mountain West (CO ID MT NV UT WY)

"War has erupted between clean-air activists and state leaders, with the battleground being the data driving decisions about Utah’s air quality."

"You're going to need a bigger fishbowl.

"Intensive research shows vigorous regrowth in beetle-killed tracts."

"Two new bills introduced in the Montana legislature would usher in a zero-tolerance policy for wild bison, potentially opening the way for a return to the shoot-on-sight practices of years past."

"Dawn Morrow is not allowed to go outside. The brown soupy mix hanging over the Grand Valley spells disaster for her lungs, which already are compromised by a rare lung disease with a long name, lymphangioleiomyomatosis."

"SALT LAKE CITY -- A group of Utah doctors is declaring a health emergency over the Salt Lake City area's lingering air pollution problem."

"Phil Anschutz -- who has made money out of everything from a well explosion to a failing railroad -- is looking to wager $9 billion on the fierce winds of Wyoming."

After years of disagreement, planners from California and Nevada seem to have finally agreed on a plan that will allow development while protecting Lake Tahoe's crystalline waters.