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Interior Secretary Salazar Issues "Scientific Integrity" Order

Interior Secretary Ken Salazar has issued an order directing the department and all its bureaus, including the National Park Service, to ensure the integrity of science conducted in those agencies. There also is a provision within the order to protect whistle blowers who believe the integrity is lacking.

Study Shows that Dirty Snow Reduces Colorado River Runoff

Human-produced dust, mostly from grazing and farming, settles on mountain snowpacks in the Upper Colorado River basin and significantly reduces runoff. Eliminating this "dirty snow" phenomenon, which impacts national parks as well as the regional economy, would require a huge reduction in soil-disturbing activities.

National Park Service Ships Historic Railroad Cars to East Troy Electric Railroad

Railroad buffs are about the most dedicated bunch you can find, flocking to model train shows and to rail yard sidings to glimpse historic engines and rolling stock. Now, thanks to National Park Service efforts, they have a new destination: The East Troy Electric Railroad in Wisconsin where five historic South Shore Railroad Cars have been put back in action.

Reader Participation Day: Help Us Name the Best Adventures In the National Park System, Lower 48 Edition

What are the best adventures in the National Park System in the Lower 48? For sure, three weeks floating the Colorado River through Grand Canyon National Park has to be one, and climbing the Grand Teton in its namesake park is another. But then what?