Down in Louisiana, it's not the alligators you need to worry about. Water is engulfing the land at a frightening rate. Astonishingly, the US state is losing a football field of land every 48 minutes (that's 16 square miles a year) due to climate change, drilling and dredging for oil and gas, and failing levees on the Mississippi River. Losing Ground, posted on Propublica.org, is a brilliant piece of immersive (sorry) data visualization that includes interactive maps, and analysis of the various contributing factors. Check it out here.