The Social Security Administration defines substantial as earning more than a certain amount each month. For 2017, you can work and collect your disability benefits as long as your earnings don't exceed $1,170 per month, or $1,950 if you're blind. However, there are also exceptions to this rule. Image source: Getty Images.
Linfen, China. Linfen, China is the most polluted city on earth. According to The Daily Green, if one puts laundry out to dry, it will turn black before finishing drying. Located in China's coal belt, spending one day in Linfen is equivalent to smoking three packs of cigarettes.
Indoor air pollution and poor urban air quality are listed as two of the world's worst toxic pollution problems in the 2008 Blacksmith Institute World's Worst Polluted Places report. According to the 2014 World Health Organization report, air pollution in 2012 caused the deaths of around 7 million people worldwide, an estimate roughly echoed by one from the International Energy Agency.