Video #1 - This video broadly describes the space debris problem.
Video #2 - This short video describes how polluted the space environment has become and demonstrates the population of debris at various sizes. Keep in mind, that a 1 cm debris object, at 7.5 km/sec, packs enough energy equal to a hand grenade. Image that going off inside your refrigerator.
Video #3 - Real world case study details for large satellite operator:
The NASA Orbital Debris Program Office further states the danger of small space debris: