All you ever wanted to know about space debris
The story of space debris highlights the unintended consequences of intense spaceflight activity during the past 60 years. Space activities lead to a growing population of debris objects that pose hazards to safe space navigation. In 2013, experts estimate that 29 000 objects larger than 10 cm are orbiting Earth.
Access ESA’s space debris pages here: http://bit.ly/1nCAYao