Humans changing the world's landscape

http://world.time.com/timelapse/

"Landsat was a notable exception, built not for spycraft but for public monitoring of how the human species was altering the surface of the planet. Two generations, eight satellites and millions of pictures later, the space agency, along with the U.S. Geological Survey (USGS), has accumulated a stunning catalog of images that, when riffled through and stitched together, create a high-definition slide show of our rapidly changing Earth. TIME is proud to host the public unveiling of these images from orbit, which for the first time date all the way back to 1984."

And here's a site close to my neck of the woods.  A gold mining venture declared bankruptcy and left a huge mess behind that turned into a Superfund site;

https://maps.google.com/maps?hl=en&ll=44.3314%2C-103.669825&spn=0.015103%2C0.042272&t=h&z=15