Artificial cave fights deadly bat disease White nose fungus is likely to be the worst wildlife disaster of our time, and researchers in Tennessee hope that a human-built cave can attract enough hibernating bats to slow the spread of the infection Rocky Mountain fracking riles Colorado residents Rich deposits of oil shale in Garfield County yield huge amounts of natural gas and oil for energy companies, but local residents are pushing back against intrusive air and water pollution, noise and traffic Colorado farmers and ranchers win fight against drilling The federal government shelved plans to auction leases for oil and gas drilling in the North Fork Valley after local residents came out overwhelmingly against it as a threat to their new economy rooted in tourism, wineries and organic produce Backpacking with llamas in Oregon Older hikers have an alternative to carrying heavy backpacks: an outfitter providing sturdy, affable llamas loaded with chairs, tables, wine and other luxuries that allow full enjoyment of wilderness treks