Concerns over how "fracking" for natural gas might impact Delaware Water Gap National Recreation Area and the Upper Delaware National Scenic and Recreational River have led to a lawsuit seeking a full environmental review of the operations.

Glacier Bay National Park officials are proposed to hold the line on cruise ship quotas in 2012 at 2011 levels.

An agreement reached by officials from the Interior Department and the state of Wyoming, if allowed to stand, would make Yellowstone National Park a sanctuary for wolves. Most elsewhere in the state the animals could be shot on sight under the plan.

The National Park Travelers Club, a diverse group of nearly 800 national parks enthusiasts representing almost every state and multiple foreign countries, will hold its 9th annual convention from August 4-9 in Washington, D.C.