The latest assessment of forest health in Colorado shows the Aspen area is experiencing a steady spread of infestation from Douglas fir beetles, but Pitkin County overall is faring much better than ...

Visitors to North Lake Tahoe this summer will notice the steady flow of the Truckee River, the high water level of Lake Tahoe, and dense green growth that has sprung up across the region thanks to ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

Mountain pine beetle-killed trees at Lookout Pass in 2002. Provided by Idaho Dept of Lands. Bark beetles are only about the size of a grain of rice. But for such tiny critters, they can take a big ...