As was noted the other day, a coalition of conservation groups has asked that the National Park Service extend the public comment period for the proposed revision of the "natural quiet" definition regarding aircraft over Grand Canyon National Park. Read on to find the link where you can post your comments.

Critics of the National Park Service's mandate to conserve natural resources often say the national parks were not intended to be kept inside bell jars. And that's certainly not happening. Proof can be seen in how the loss of cougars is thought to be adversely affecting Yosemite National Park and the recent rush to find uranium near Grand Canyon National Park.

A settlement over off-road vehicle travel at Cape Hatteras National Seashore will not ban ORV travel, but it will restrict it at times throughout the year, according to the National Park Service.

Big Thicket National Preserve, a rich crucible of biodiversity, would double in size under legislation introduced by a congressman from Texas.