A Duke study shows 40 years of mountaintop coal mining have made parts of Central Appalachia 40 percent flatter than they were before excavation. The researchers collaborated with a Data+ project team to develop web-based app to help people visualize the change.
See additional coverage of this work:
How the Coal Industry Flattened the Mountains of Appalachia (New York Times)
Coal mining has flattened Appalachia by 40%: Scientists reveal dramatic extent of damage done by mountaintop removal (Dailymail.com)