The Human Footprint Index, from the Last of the Wild data set, expresses as a percentage the relative human influence in each terrestrial biome. Its values range from zero to 100, with a value of zero representing the least influenced, or ‘most wild,’ and a value of 100 representing the most influenced, or ‘least wild,’ part of the biome.
New research finds children have trouble learning some basic intellectual and emotional skills if the television is routinely kept on in the background.
A couple of prominent end-of-the-world predictions may or may not come to pass, but lots of people promoting them are betting your bottom dollar they won't.